| 640 km * | 0.6213711922 mi | = 397.677563032 mi |
| 1 km |
| Mõõtühik | Pikkus |
|---|---|
| nanomeeter | 6.4e+14 nm |
| Mikromeeter | 6.4e+11 µm |
| Millimeeter | 640000000.0 mm |
| Sentimeeter | 64000000.0 cm |
| Toll | 25196850.3937 in |
| Jalg | 2099737.53281 ft |
| Õu | 699912.510936 yd |
| Meeter | 640000.0 m |
| Kilomeeter | 640.0 km |
| Miil | 397.677563032 mi |
| Meremiil | 345.572354212 nmi |
