| Flemalle-Haute to Oegstgeest | 117.45 mi (189.02 km) |
| Flemalle-Haute to Oirschot | 62.51 mi (100.60 km) |
| Flemalle-Haute to Oisterwijk | 68.81 mi (110.75 km) |
| Flemalle-Haute to Oldebroek | 129.12 mi (207.80 km) |
| Flemalle-Haute to Oldenzaal | 134.37 mi (216.26 km) |
| Flemalle-Haute to Ommen | 138.55 mi (222.97 km) |
| Flemalle-Haute to Oosterend | 167.99 mi (270.35 km) |
| Flemalle-Haute to Oosterhout | 76.64 mi (123.34 km) |
| Flemalle-Haute to Oosterwolde | 168.83 mi (271.70 km) |
| Flemalle-Haute to Oostzaan | 129.02 mi (207.64 km) |
| Flemalle-Haute to Opmeer | 146.68 mi (236.05 km) |
| Flemalle-Haute to Oss | 80.57 mi (129.66 km) |
| Flemalle-Haute to Oud-Beijerland | 95.76 mi (154.11 km) |
| Flemalle-Haute to Oudenbosch | 79.50 mi (127.95 km) |
| Flemalle-Haute to Oudewater | 101.14 mi (162.77 km) |
