| 680 km * | 0.6213711922 mi | = 422.532410721 mi |
| 1 km |
| Eenhede van meting | Lengtes |
|---|---|
| Nanometer | 6.8e+14 nm |
| Mikrometer | 6.8e+11 µm |
| Millimeter | 680000000.0 mm |
| Sentimeter | 68000000.0 cm |
| Duim | 26771653.5433 in |
| Voet | 2230971.12861 ft |
| Jaart | 743657.04287 yd |
| Meter | 680000.0 m |
| Kilometer | 680.0 km |
| Myl | 422.532410721 mi |
| Seemyl | 367.17062635 nmi |
