| Morlanwelz-Mariemont to Oegstgeest | 120.18 mi (193.42 km) |
| Morlanwelz-Mariemont to Oirschot | 86.12 mi (138.59 km) |
| Morlanwelz-Mariemont to Oisterwijk | 88.86 mi (143.01 km) |
| Morlanwelz-Mariemont to Oldebroek | 155.70 mi (250.58 km) |
| Morlanwelz-Mariemont to Oldenzaal | 173.73 mi (279.59 km) |
| Morlanwelz-Mariemont to Ommen | 170.91 mi (275.05 km) |
| Morlanwelz-Mariemont to Oosterend | 193.08 mi (310.73 km) |
| Morlanwelz-Mariemont to Oosterhout | 86.77 mi (139.64 km) |
| Morlanwelz-Mariemont to Oosterwolde | 196.36 mi (316.02 km) |
| Morlanwelz-Mariemont to Oostzaan | 139.86 mi (225.08 km) |
| Morlanwelz-Mariemont to Opmeer | 158.47 mi (255.04 km) |
| Morlanwelz-Mariemont to Oss | 106.65 mi (171.64 km) |
| Morlanwelz-Mariemont to Oud-Beijerland | 94.71 mi (152.41 km) |
| Morlanwelz-Mariemont to Oudenbosch | 79.72 mi (128.29 km) |
| Morlanwelz-Mariemont to Oudewater | 111.66 mi (179.70 km) |
