| 20 km * | 0.6213711922 mi | = 12.4274238447 mi |
| 1 km |
| Natuurkundige eenheid | Lengte |
|---|---|
| Nanometer | 2e+13 nm |
| Micrometer | 20000000000.0 µm |
| Millimeter | 20000000.0 mm |
| Centimeter | 2000000.0 cm |
| Inch | 787401.574803 in |
| Voet | 65616.7979003 ft |
| Yard | 21872.2659668 yd |
| Meter | 20000.0 m |
| Kilometer | 20.0 km |
| Mijl | 12.4274238447 mi |
| Zeemijl | 10.7991360691 nmi |
