| 3980 km * | 0.6213711922 mi | = 2473.0573451 mi | 
| 1 km | 
| Fyzikálna jednotka | Jednotka dĺžky | 
|---|---|
| Nanometer | 3.98e+15 nm | 
| Mikrometer | 3.98e+12 µm | 
| Milimeter | 3980000000.0 mm | 
| Centimeter | 398000000.0 cm | 
| Palec | 156692913.386 in | 
| Stopa | 13057742.7822 ft | 
| Yard | 4352580.92738 yd | 
| Meter | 3980000.0 m | 
| Kilometer | 3980.0 km | 
| Míľa | 2473.0573451 mi | 
| Námorná míľa | 2149.02807775 nmi | 
