| 400 km * | 0.6213711922 mi | = 248.548476895 mi |
| 1 km |
| Natuurkundige eenheid | Lengte |
|---|---|
| Nanometer | 4e+14 nm |
| Micrometer | 4e+11 µm |
| Millimeter | 400000000.0 mm |
| Centimeter | 40000000.0 cm |
| Inch | 15748031.4961 in |
| Voet | 1312335.95801 ft |
| Yard | 437445.319335 yd |
| Meter | 400000.0 m |
| Kilometer | 400.0 km |
| Mijl | 248.548476895 mi |
| Zeemijl | 215.982721382 nmi |
