| 31.4 km * | 0.6213711922 mi | = 19.5110554363 mi | 
| 1 km | 
| Unidad de medida | Longitudes | 
|---|---|
| Nanómetro | 3.14e+13 nm | 
| Micrómetro | 31400000000.0 µm | 
| Milímetro | 31400000.0 mm | 
| Centímetro | 3140000.0 cm | 
| Pulgada | 1236220.47244 in | 
| Pie | 103018.372703 ft | 
| Yarda | 34339.4575678 yd | 
| Metro | 31400.0 m | 
| Kilómetro | 31.4 km | 
| Milla | 19.5110554363 mi | 
| Milla náutica | 16.9546436285 nmi | 
