
Australia is a vast country, almost as wide as it is long, with a distance of about 4,000 kilometres from its east coast to its west coast. This distance varies depending on the specific points being measured, with the widest points being Steep Point in Western Australia and Byron Bay in New South Wales, which span approximately 4,000 kilometres. This distance can also be measured from Perth to Brisbane, two cities on opposite coasts, which is about 3,613 kilometres.
| Characteristics | Values |
|---|---|
| Distance from East Coast to West Coast | Approximately 4,000 km (2,500 miles) |
| Widest Points | Steep Point, Western Australia to Byron Bay, New South Wales |
| Distance from Perth to Brisbane | 3,613 km |
| Distance from North to South | Approximately 3,860 km |
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What You'll Learn

The distance from Perth to Brisbane is 3,613 km
Australia is approximately 4,000 kilometres wide from its east coast to its west coast. The distance varies depending on the specific points being measured. The widest points, from Steep Point in Western Australia to Byron Bay in New South Wales, span about 4,000 kilometres.
The distance from Perth to Brisbane, two cities on opposite coasts of Australia, is 3,613 kilometres. This distance is shorter than the widest span of the country, as these two cities are not located at the furthest points of their respective coasts.
Perth is located on the western coast of Australia, in the state of Western Australia. It is the country's fourth-most populous city, with around 2.1 million residents as of 2022. Brisbane, on the other hand, is located on the eastern coast, in the state of Queensland. It is the third-most populous city in Australia, with approximately 2.6 million residents as of 2022.
The large distance between Perth and Brisbane, despite being cities on opposite coasts, highlights the vast size of Australia. This distance of 3,613 kilometres is equivalent to around 2,245 miles ((4,000 km x 0.621371 miles/km)), emphasising the significant expanse between these two coastal cities in Australia.
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The widest points are 4,000 km apart
The distance between Australia's east coast and west coast varies depending on the points being measured. At its widest points, the distance between the two coasts is approximately 4,000 kilometres or about 2,500 miles. To put this into perspective, the distance from Perth to Brisbane, cities on opposite coasts, is 3,613 kilometres.
When considering the widest points, we can look at the distance between Byron Bay in New South Wales and Steep Point in Western Australia. Byron Bay is renowned for its lighthouse and caretakers' cottage. The 22-metre-high lighthouse, built in 1901, is perched 94 metres above sea level. It is reputed to be visible more than 40 kilometres out at sea. Meanwhile, Steep Point is located near Dirk Hartog Island, forming the western boundary of the Shark Bay World Heritage Area.
The geographic measurement of the distance across Australia provides insight into the country's vast size. Australia is the sixth-largest country in the world, both in area and dimension. Understanding these distances is helpful in various fields, including geography, travel, and the study of the natural landscape of the continent.
It is worth noting that the distance of 4,000 kilometres represents the width of Australia when measured in a straight line from east to west. The actual road distance between specific points on the east and west coasts may differ due to the varying terrain and road networks.
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Steep Point to Byron Bay is 4,000 km
Australia is approximately 4,000 kilometres wide from east to west. The distance from Steep Point to Byron Bay is 4,000 kilometres. This vast distance can be travelled via train, car, plane, or bus. The quickest way to travel between these two points takes 22 hours, while the longest route takes 4 days and 14 hours.
The journey from Steep Point to Byron Bay is a cross-country adventure, covering the length of Australia from west to east. Along the way, travellers will pass through diverse landscapes, from the rugged beauty of the west to the vibrant cities and coastal towns of the east.
Steep Point, located in Western Australia, is known for its dramatic sea cliffs and pristine beaches. It is the most westerly point of the Australian mainland, offering breathtaking views of the Indian Ocean. The area is also renowned for its marine life, including whales, dolphins, and sea lions.
Travelling east from Steep Point, one might encounter the vibrant city of Perth, with its picturesque Swan River and thriving food and wine scene. Continuing along, the vast Outback unfolds, with its unique desert landscapes and iconic red sands.
As travellers approach the east coast, they will find themselves in New South Wales, a state known for its diverse scenery, from pristine beaches to rugged mountain ranges. Before reaching Byron Bay, Sydney, the state capital, is a must-see with its iconic Harbour Bridge and Opera House.
Byron Bay, located in the far northeast of New South Wales, is a popular coastal town known for its beautiful beaches, vibrant surf culture, and relaxed atmosphere. It is the easternmost point of mainland Australia, offering stunning views of the Pacific Ocean. Byron Bay is a beloved destination for travellers seeking a unique blend of natural beauty, outdoor activities, and a vibrant local culture.
The journey from Steep Point to Byron Bay showcases the diverse landscapes and unique attractions that Australia has to offer. Whether one chooses to travel by land or air, the journey across this vast country is an unforgettable experience, offering a range of cultural, natural, and scenic highlights along the way.
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Australia is 3,860 km from north to south
Australia is a vast country, with its east-west width often being compared to the north-south length. The country is approximately 3,860 kilometres from its northernmost point to its southernmost point in Tasmania. This distance is almost equalled by the width of the country, which is nearly 4,000 kilometres from east to west.
The distance across Australia from east to west is said to be about 4,000 kilometres. This distance is calculated by taking the widest points along the east and west coasts, which are Steep Point in Western Australia and Byron Bay in New South Wales, respectively. This distance of 4,000 kilometres is roughly 2,500 miles.
NASA claims that the east-west distance across Australia is 4,000 kilometres. However, some sources argue that this distance is misleading due to the impact of perspective. They argue that while it may seem like you have arrived in Brisbane after travelling 3,613 kilometres from Perth, there are actually 9,000 kilometres hidden beyond the vanishing point, which can only be seen through a telescope.
The variation in distances mentioned can be attributed to the specific points being measured. For example, the distance from Perth to Brisbane, which are cities on opposite coasts, is 3,613 kilometres. Thus, the east-west width of Australia can vary depending on the starting and ending points chosen.
In summary, Australia is a country with impressive dimensions, showcasing a width of nearly 4,000 kilometres from east to west and a length of approximately 3,860 kilometres from north to south. The variation in distances mentioned for the east-west width highlights the impact of perspective and the choice of specific measurement points along the coast.
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The southerly point is South East Cape, Tasmania
The southerly point of Australia is South East Cape, Tasmania. It is one of the five southernmost capes that can be rounded by sailors in the earth's southern regions. The cape is also a reference point for sectors of the southern coastline of Tasmania.
The 16km return walk to South Cape Bay is the most southerly day walk you can do in Australia. The walk takes you through mostly gentle slopes, beautiful Tasmanian bush and birdlife, and a wild beach at the end. The walk offers panoramic views of South Cape Bay, with Lion Rock just off the beach and the waves crashing onto more distant windswept islands.
The track to South Cape Bay ends just a few kilometres short of the extremity, with South East Cape in clear view nearby. However, reaching the most southerly point of Tasmania requires additional hours of difficult walking through dense scrub.
For those seeking to experience the southernmost bit of Australia, the walk to South Cape Bay is a great option. It offers a lovely piece of Tasmanian coastal wilderness and a chance to view the southernmost cape, South East Cape, from a distance.
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Frequently asked questions
The distance from the east coast of Australia to the west coast is approximately 4,000 kilometres or 2,500 miles.
The distance from Perth to Brisbane is 3,613 kilometres.
Some of the widest points on the east and west coasts of Australia are Byron Bay in New South Wales and Steep Point in Western Australia.
The distance from the most northerly point of Australia to its most southerly point in Tasmania is approximately 3,860 kilometres.
Australia is almost as long as it is wide, so the distance from east to west is almost the same as the distance from north to south.
















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