| 677 km * | 0.6213711922 mi | = 420.668297145 mi | 
| 1 km | 
| Natuurkundige eenheid | Lengte-eenheid | 
|---|---|
| Nanometer | 6.77e+14 nm | 
| Micrometer | 6.77e+11 µm | 
| Millimeter | 677000000.0 mm | 
| Centimeter | 67700000.0 cm | 
| Inch | 26653543.3071 in | 
| Voet | 2221128.60892 ft | 
| Yard | 740376.202975 yd | 
| Meter | 677000.0 m | 
| Kilometer | 677.0 km | 
| Mijl | 420.668297145 mi | 
| Zeemijl | 365.550755939 nmi | 
