| 691 km * | 0.6213711922 mi | = 429.367493836 mi | 
| 1 km | 
| Mõõtühik | Pikkusühiku | 
|---|---|
| nanomeeter | 6.91e+14 nm | 
| Mikromeeter | 6.91e+11 µm | 
| Millimeeter | 691000000.0 mm | 
| Sentimeeter | 69100000.0 cm | 
| Toll | 27204724.4094 in | 
| Jalg | 2267060.36745 ft | 
| Õu | 755686.789151 yd | 
| Meeter | 691000.0 m | 
| Kilomeeter | 691.0 km | 
| Miil | 429.367493836 mi | 
| Meremiil | 373.110151188 nmi | 
