| Ornskoldsvik to Nuth | 977.14 mi (1,572.55 km) |
| Ornskoldsvik to Oegstgeest | 925.62 mi (1,489.64 km) |
| Ornskoldsvik to Oirschot | 951.31 mi (1,530.99 km) |
| Ornskoldsvik to Oisterwijk | 948.04 mi (1,525.72 km) |
| Ornskoldsvik to Oldebroek | 881.16 mi (1,418.10 km) |
| Ornskoldsvik to Oldenzaal | 870.44 mi (1,400.83 km) |
| Ornskoldsvik to Ommen | 867.34 mi (1,395.85 km) |
| Ornskoldsvik to Oosterend | 843.98 mi (1,358.25 km) |
| Ornskoldsvik to Oosterhout | 950.93 mi (1,530.38 km) |
| Ornskoldsvik to Oosterwolde | 840.47 mi (1,352.60 km) |
| Ornskoldsvik to Oostzaan | 902.05 mi (1,451.70 km) |
| Ornskoldsvik to Opmeer | 884.53 mi (1,423.52 km) |
| Ornskoldsvik to Oss | 930.67 mi (1,497.77 km) |
| Ornskoldsvik to Oud-Beijerland | 949.28 mi (1,527.72 km) |
| Ornskoldsvik to Oudenbosch | 960.76 mi (1,546.19 km) |
