Tokyo is about 2.3 times bigger than Taipei.

Taipei is approximately 272 sq km, while Tokyo is approximately 619 sq km, making Tokyo 128% larger than Taipei.
Tip: This to-scale comparison of Taipei vs. Tokyo uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.