| 420 km * | 0.6213711922 mi | = 260.97590074 mi | 
| 1 km | 
| Satuan | Panjang | 
|---|---|
| Nanometer | 4.2e+14 nm | 
| Mikrometer | 4.2e+11 µm | 
| Milimeter | 420000000.0 mm | 
| Sentimeter | 42000000.0 cm | 
| Inci | 16535433.0709 in | 
| Kaki | 1377952.75591 ft | 
| Yard | 459317.585302 yd | 
| Meter | 420000.0 m | 
| Kilometer | 420.0 km | 
| mil | 260.97590074 mi | 
| Mil laut | 226.781857451 nmi | 
