| 388 km * | 0.6213711922 mi | = 241.092022588 mi | 
| 1 km | 
| Natuurkundige eenheid | Lengte-eenheid | 
|---|---|
| Nanometer | 3.88e+14 nm | 
| Micrometer | 3.88e+11 µm | 
| Millimeter | 388000000.0 mm | 
| Centimeter | 38800000.0 cm | 
| Inch | 15275590.5512 in | 
| Voet | 1272965.87927 ft | 
| Yard | 424321.959755 yd | 
| Meter | 388000.0 m | 
| Kilometer | 388.0 km | 
| Mijl | 241.092022588 mi | 
| Zeemijl | 209.503239741 nmi | 
