Missoula is around the same size as Springfield.

Springfield is approximately 83 sq km, while Missoula (map shows its 17 named neighbourhoods; the area covers the whole city) is approximately 91 sq km, making Missoula 10% larger than Springfield.
Tip: This to-scale comparison of Springfield vs. Missoula uses the Mercator projection, which distorts the size of regions near the poles.
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