City size comparison

compared to

Oslo is about 10 times bigger than Helena.

Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, while Oslo is approximately 454 sq km, making Oslo 921% larger than Helena.
Tip: This to-scale comparison of Helena vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Oslo vs. Helena

Flip Comparison · See true size
See Oslo on top of Helena
→
Cost of Living Comparison · 7 categories - 2026 data
Helena is 10.8% cheaper than Oslo
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play