| Kopervik to Oerlinghausen | 521.91 mi (839.94 km) |
| Kopervik to Oestrich-Winkel | 650.07 mi (1,046.19 km) |
| Kopervik to Offenburg | 754.63 mi (1,214.47 km) |
| Kopervik to Oftersheim | 697.13 mi (1,121.92 km) |
| Kopervik to Ohrdruf | 621.78 mi (1,000.66 km) |
| Kopervik to Ohringen | 716.44 mi (1,153.00 km) |
| Kopervik to Olbernhau | 673.91 mi (1,084.55 km) |
| Kopervik to Olching | 803.26 mi (1,292.72 km) |
| Kopervik to Oldenburg | 438.38 mi (705.51 km) |
| Kopervik to Oldenburg in Holstein | 403.44 mi (649.28 km) |
| Kopervik to Olfen | 528.83 mi (851.06 km) |
| Kopervik to Olpe | 579.52 mi (932.65 km) |
| Kopervik to Olsberg | 561.85 mi (904.21 km) |
| Kopervik to Oranienburg | 544.37 mi (876.07 km) |
| Kopervik to Ortenberg | 634.20 mi (1,020.65 km) |
