City size comparison

compared to

Sydney is about 2.3 times bigger than Johannesburg.

Johannesburg is approximately 1,644 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 132% larger than Johannesburg.

Tip: This to-scale comparison of Johannesburg vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.