| 31 km * | 0.6213711922 mi | = 19.2625069594 mi |
| 1 km |
| Mjerna jedinica | Jedinica za duljinu |
|---|---|
| Nanometar | 3.1e+13 nm |
| mikrometar | 31000000000.0 µm |
| Milimetar | 31000000.0 mm |
| Centimetar | 3100000.0 cm |
| Palac | 1220472.44094 in |
| Stopa | 101706.036745 ft |
| Jard | 33902.0122485 yd |
| Metar | 31000.0 m |
| Kilometar | 31.0 km |
| Milja | 19.2625069594 mi |
| Nautička milja | 16.7386609071 nmi |
