| Ornskoldsvik to Oerlinghausen | 863.89 mi (1,390.29 km) |
| Ornskoldsvik to Oestrich-Winkel | 1,001.37 mi (1,611.56 km) |
| Ornskoldsvik to Offenburg | 1,102.72 mi (1,774.66 km) |
| Ornskoldsvik to Oftersheim | 1,034.22 mi (1,664.41 km) |
| Ornskoldsvik to Ohrdruf | 910.18 mi (1,464.79 km) |
| Ornskoldsvik to Ohringen | 1,033.42 mi (1,663.13 km) |
| Ornskoldsvik to Olbernhau | 894.71 mi (1,439.89 km) |
| Ornskoldsvik to Olching | 1,079.95 mi (1,738.01 km) |
| Ornskoldsvik to Oldenburg | 796.18 mi (1,281.33 km) |
| Ornskoldsvik to Oldenburg in Holstein | 680.39 mi (1,094.98 km) |
| Ornskoldsvik to Olfen | 900.55 mi (1,449.29 km) |
| Ornskoldsvik to Olpe | 938.05 mi (1,509.65 km) |
| Ornskoldsvik to Olsberg | 906.50 mi (1,458.86 km) |
| Ornskoldsvik to Oranienburg | 754.42 mi (1,214.13 km) |
| Ornskoldsvik to Ortenberg | 963.00 mi (1,549.80 km) |
