| 31.1 km * | 0.6213711922 mi | = 19.3246440786 mi | 
| 1 km | 
| Matavimo vienetas | Ilgiai | 
|---|---|
| Nanometras | 3.11e+13 nm | 
| Mikrometras | 31100000000.0 µm | 
| Milimetras | 31100000.0 mm | 
| Centimetras | 3110000.0 cm | 
| Colis | 1224409.44882 in | 
| Pėda | 102034.120735 ft | 
| Yard | 34011.3735783 yd | 
| Metras | 31100.0 m | 
| Kilometras | 31.1 km | 
| Mylia | 19.3246440786 mi | 
| Jūrmylė | 16.7926565875 nmi | 
