| Potters Bar to Nyon | 467.92 mi (753.04 km) |
| Potters Bar to Oberriet | 531.26 mi (854.98 km) |
| Potters Bar to Obersiggenthal | 477.76 mi (768.88 km) |
| Potters Bar to Oberwil | 450.82 mi (725.53 km) |
| Potters Bar to Oberwingert | 493.51 mi (794.22 km) |
| Potters Bar to Oftringen | 472.48 mi (760.39 km) |
| Potters Bar to Olten | 470.35 mi (756.95 km) |
| Potters Bar to Onex | 475.53 mi (765.30 km) |
| Potters Bar to Opfikon | 489.92 mi (788.46 km) |
| Potters Bar to Ostermundigen | 475.73 mi (765.61 km) |
| Potters Bar to Payerne | 465.12 mi (748.54 km) |
| Potters Bar to Pfaffikon | 500.64 mi (805.70 km) |
| Potters Bar to Plan-les-Ouates | 476.93 mi (767.55 km) |
| Potters Bar to Pratteln | 455.68 mi (733.34 km) |
| Potters Bar to Prilly | 470.17 mi (756.66 km) |
