City size comparison

compared to

Sydney is about 5 times smaller than Kaiserslautern.

Kaiserslautern is approximately 140 sq km, while Sydney is approximately 27 sq km, making Sydney 19.11% the size of Kaiserslautern.
Tip: This to-scale comparison of Kaiserslautern vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Kaiserslautern

Flip Comparison · See true size
See Sydney on top of Kaiserslautern
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Cost of Living Comparison · 7 categories - 2026 data
Kaiserslautern is 2.1% cheaper than Sydney
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