| Unterwellenborn to Oegstgeest | 318.31 mi (512.27 km) |
| Unterwellenborn to Oirschot | 272.78 mi (439.00 km) |
| Unterwellenborn to Oisterwijk | 278.04 mi (447.47 km) |
| Unterwellenborn to Oldebroek | 268.23 mi (431.68 km) |
| Unterwellenborn to Oldenzaal | 225.22 mi (362.46 km) |
| Unterwellenborn to Ommen | 250.95 mi (403.87 km) |
| Unterwellenborn to Oosterend | 280.83 mi (451.96 km) |
| Unterwellenborn to Oosterhout | 293.28 mi (471.99 km) |
| Unterwellenborn to Oosterwolde | 272.53 mi (438.60 km) |
| Unterwellenborn to Oostzaan | 307.19 mi (494.37 km) |
| Unterwellenborn to Opmeer | 311.69 mi (501.62 km) |
| Unterwellenborn to Oss | 267.55 mi (430.58 km) |
| Unterwellenborn to Oud-Beijerland | 314.82 mi (506.65 km) |
| Unterwellenborn to Oudenbosch | 306.69 mi (493.57 km) |
| Unterwellenborn to Oudewater | 298.80 mi (480.87 km) |
