| Potters Bar to Nuth | 267.44 mi (430.41 km) |
| Potters Bar to Oegstgeest | 200.83 mi (323.21 km) |
| Potters Bar to Oirschot | 235.66 mi (379.26 km) |
| Potters Bar to Oisterwijk | 230.90 mi (371.60 km) |
| Potters Bar to Oldebroek | 263.42 mi (423.93 km) |
| Potters Bar to Oldenzaal | 305.54 mi (491.72 km) |
| Potters Bar to Ommen | 285.61 mi (459.65 km) |
| Potters Bar to Oosterend | 278.64 mi (448.43 km) |
| Potters Bar to Oosterhout | 215.95 mi (347.54 km) |
| Potters Bar to Oosterwolde | 287.38 mi (462.50 km) |
| Potters Bar to Oostzaan | 221.06 mi (355.76 km) |
| Potters Bar to Opmeer | 228.08 mi (367.05 km) |
| Potters Bar to Oss | 243.89 mi (392.50 km) |
| Potters Bar to Oud-Beijerland | 196.15 mi (315.67 km) |
| Potters Bar to Oudenbosch | 201.92 mi (324.96 km) |
