100000000km2

To help compare sizes of different geographic regions, we list here areas between 100 million km² and 1,000 million (American billion) km².

1. Areas smaller than 100,000,000 km²
2. 150,000,000 km² -- Earth land
3. 360,000,000 km² -- Earth water
4. 510,000,000 km² -- Earth total
5. Areas larger than 1,000,000,000 km²