| Grevenmacher to Oegstgeest | 193.11 mi (310.78 km) |
| Grevenmacher to Oirschot | 135.31 mi (217.76 km) |
| Grevenmacher to Oisterwijk | 142.28 mi (228.97 km) |
| Grevenmacher to Oldebroek | 192.79 mi (310.26 km) |
| Grevenmacher to Oldenzaal | 183.39 mi (295.13 km) |
| Grevenmacher to Ommen | 195.96 mi (315.36 km) |
| Grevenmacher to Oosterend | 230.17 mi (370.42 km) |
| Grevenmacher to Oosterhout | 152.32 mi (245.13 km) |
| Grevenmacher to Oosterwolde | 228.77 mi (368.17 km) |
| Grevenmacher to Oostzaan | 201.86 mi (324.87 km) |
| Grevenmacher to Opmeer | 218.38 mi (351.45 km) |
| Grevenmacher to Oss | 149.70 mi (240.92 km) |
| Grevenmacher to Oud-Beijerland | 172.46 mi (277.56 km) |
| Grevenmacher to Oudenbosch | 156.36 mi (251.64 km) |
| Grevenmacher to Oudewater | 175.41 mi (282.30 km) |
