City size comparison

compared to

Sydney is about 2.1 times bigger than Riyadh.

Riyadh (map shows its 9 named neighbourhoods; the area covers the whole city) is approximately 1,798 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 112% larger than Riyadh.
Tip: This to-scale comparison of Riyadh vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Riyadh

Flip Comparison · See true size
See Sydney on top of Riyadh
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Cost of Living Comparison · 7 categories - 2026 data
Riyadh is 45.9% cheaper than Sydney
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