| Ourem to Nuth | 1,044.83 mi (1,681.49 km) |
| Ourem to Oegstgeest | 1,065.33 mi (1,714.49 km) |
| Ourem to Oirschot | 1,054.69 mi (1,697.36 km) |
| Ourem to Oisterwijk | 1,055.81 mi (1,699.17 km) |
| Ourem to Oldebroek | 1,119.64 mi (1,801.88 km) |
| Ourem to Oldenzaal | 1,143.88 mi (1,840.89 km) |
| Ourem to Ommen | 1,138.07 mi (1,831.55 km) |
| Ourem to Oosterend | 1,152.32 mi (1,854.48 km) |
| Ourem to Oosterhout | 1,048.67 mi (1,687.66 km) |
| Ourem to Oosterwolde | 1,158.02 mi (1,863.65 km) |
| Ourem to Oostzaan | 1,089.91 mi (1,754.05 km) |
| Ourem to Opmeer | 1,105.66 mi (1,779.39 km) |
| Ourem to Oss | 1,074.36 mi (1,729.01 km) |
| Ourem to Oud-Beijerland | 1,044.39 mi (1,680.78 km) |
| Ourem to Oudenbosch | 1,036.24 mi (1,667.67 km) |
