| 509 km * | 0.6213711922 mi | = 316.277936849 mi | 
| 1 km | 
| Fyzikálna jednotka | Dĺžka | 
|---|---|
| Nanometer | 5.09e+14 nm | 
| Mikrometer | 5.09e+11 µm | 
| Milimeter | 509000000.0 mm | 
| Centimeter | 50900000.0 cm | 
| Palec | 20039370.0787 in | 
| Stopa | 1669947.50656 ft | 
| Yard | 556649.168854 yd | 
| Meter | 509000.0 m | 
| Kilometer | 509.0 km | 
| Míľa | 316.277936849 mi | 
| Námorná míľa | 274.838012959 nmi | 
