| 1230 km * | 0.6213711922 mi | = 764.286566452 mi | 
| 1 km | 
| Fyzikálna jednotka | Jednotka dĺžky | 
|---|---|
| Nanometer | 1.23e+15 nm | 
| Mikrometer | 1.23e+12 µm | 
| Milimeter | 1230000000.0 mm | 
| Centimeter | 123000000.0 cm | 
| Palec | 48425196.8504 in | 
| Stopa | 4035433.07087 ft | 
| Yard | 1345144.35696 yd | 
| Meter | 1230000.0 m | 
| Kilometer | 1230.0 km | 
| Míľa | 764.286566452 mi | 
| Námorná míľa | 664.146868251 nmi | 
