| 311 km * | 0.6213711922 mi | = 193.246440786 mi | 
| 1 km | 
| Mõõtühik | Pikkusühiku | 
|---|---|
| nanomeeter | 3.11e+14 nm | 
| Mikromeeter | 3.11e+11 µm | 
| Millimeeter | 311000000.0 mm | 
| Sentimeeter | 31100000.0 cm | 
| Toll | 12244094.4882 in | 
| Jalg | 1020341.20735 ft | 
| Õu | 340113.735783 yd | 
| Meeter | 311000.0 m | 
| Kilomeeter | 311.0 km | 
| Miil | 193.246440786 mi | 
| Meremiil | 167.926565875 nmi | 
