Kyoto is about 3.8 times bigger than Seattle.

Seattle is approximately 217 sq km, while Kyoto is approximately 828 sq km, making Kyoto 281% larger than Seattle.
Tip: This to-scale comparison of Seattle vs. Kyoto 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.