| 221 km * | 0.6213711922 mi | = 137.323033485 mi |
| 1 km |
| Merska enota | Enota dolžine |
|---|---|
| Nanometer | 2.21e+14 nm |
| Mikrometer | 2.21e+11 µm |
| Milimeter | 221000000.0 mm |
| Centimeter | 22100000.0 cm |
| Palec | 8700787.40157 in |
| Čevelj | 725065.616798 ft |
| Jard | 241688.538933 yd |
| Meter | 221000.0 m |
| Kilometer | 221.0 km |
| Mile | 137.323033485 mi |
| navtične milje | 119.330453564 nmi |
