| 637 km * | 0.6213711922 mi | = 395.813449455 mi | 
| 1 km | 
| Matavimo vienetas | Ilgis | 
|---|---|
| Nanometras | 6.37e+14 nm | 
| Mikrometras | 6.37e+11 µm | 
| Milimetras | 637000000.0 mm | 
| Centimetras | 63700000.0 cm | 
| Colis | 25078740.1575 in | 
| Pėda | 2089895.01312 ft | 
| Yard | 696631.671041 yd | 
| Metras | 637000.0 m | 
| Kilometras | 637.0 km | 
| Mylia | 395.813449455 mi | 
| Jūrmylė | 343.952483801 nmi | 
