| 400 km * | 0.6213711922 mi | = 248.548476895 mi | 
| 1 km | 
| Merska enota | Dolžine | 
|---|---|
| Nanometer | 4e+14 nm | 
| Mikrometer | 4e+11 µm | 
| Milimeter | 400000000.0 mm | 
| Centimeter | 40000000.0 cm | 
| Palec | 15748031.4961 in | 
| Čevelj | 1312335.95801 ft | 
| Jard | 437445.319335 yd | 
| Meter | 400000.0 m | 
| Kilometer | 400.0 km | 
| Mile | 248.548476895 mi | 
| navtične milje | 215.982721382 nmi | 
