| 21 km * | 0.6213711922 mi | = 13.048795037 mi |
| 1 km |
| Unità | Unità ta 'tul |
|---|---|
| Nanometru | 2.1e+13 nm |
| Mikrometru | 21000000000.0 µm |
| Millimetru | 21000000.0 mm |
| ċentimetru | 2100000.0 cm |
| Pulzier | 826771.653543 in |
| Piedi | 68897.6377953 ft |
| Yard | 22965.8792651 yd |
| Metru | 21000.0 m |
| Kilometru | 21.0 km |
| Mil | 13.048795037 mi |
| Mil nawtiku | 11.3390928726 nmi |
