City size comparison

compared to

Hanoi is about 7 times bigger than Oslo.

Oslo is approximately 454 sq km, while Hanoi is approximately 3,360 sq km, making Hanoi 640% larger than Oslo.
Tip: This to-scale comparison of Oslo vs. Hanoi uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Hanoi vs. Oslo

Flip Comparison · See true size
See Hanoi on top of Oslo
→
Cost of Living Comparison · 7 categories - 2026 data
Oslo is 3.6 times more expensive than Hanoi
→
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