Buffalo is around the same size as Red Deer.

Red Deer (map shows its 83 named neighbourhoods; the area covers the whole city) is approximately 105 sq km, while Buffalo is approximately 105 sq km, making Buffalo 99.86% the size of Red Deer.
Tip: This to-scale comparison of Red Deer vs. Buffalo uses the Mercator projection, which distorts the size of regions near the poles.
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