# Areas smaller than 10 km2 # 30 km2 -- Hayling Island # 40 km2 -- Beaverton Oregon # Areas larger than 100 km2 |
* Areas smaller than 10 km2 **10 km2 = 3.86 square miles. **A square of this area has a size of 3.16 km. **A cube of this area has a size of 1.29 km. **A circle of this area has a radius of 1.78 km. **A sphere of this area has a radius of 892 m. * 30 km2 -- Hayling Island * 40 km2 -- Beaverton Oregon * Areas larger than 100 km2 |