| 820 km * | 0.6213711922 mi | = 509.524377635 mi | 
| 1 km | 
| Mjerna jedinica | Dužina | 
|---|---|
| Nanometar | 8.2e+14 nm | 
| mikrometar | 8.2e+11 µm | 
| Milimetar | 820000000.0 mm | 
| Centimetar | 82000000.0 cm | 
| Palac | 32283464.5669 in | 
| Stopa | 2690288.71391 ft | 
| Jard | 896762.904637 yd | 
| Metar | 820000.0 m | 
| Kilometar | 820.0 km | 
| Milja | 509.524377635 mi | 
| Nautička milja | 442.764578834 nmi | 
