| Potters Bar to Oschatz | 571.51 mi (919.76 km) |
| Potters Bar to Oschersleben | 487.88 mi (785.16 km) |
| Potters Bar to Osnabruck | 352.42 mi (567.17 km) |
| Potters Bar to Ostbevern | 343.17 mi (552.27 km) |
| Potters Bar to Osterburg | 510.50 mi (821.57 km) |
| Potters Bar to Ostercappeln | 360.44 mi (580.07 km) |
| Potters Bar to Osterhofen | 618.49 mi (995.36 km) |
| Potters Bar to Osterholz-Scharmbeck | 392.19 mi (631.17 km) |
| Potters Bar to Osternienburg | 521.30 mi (838.94 km) |
| Potters Bar to Osterode | 446.36 mi (718.34 km) |
| Potters Bar to Osterwieck | 465.32 mi (748.86 km) |
| Potters Bar to Ostfildern | 464.18 mi (747.02 km) |
| Potters Bar to Osthofen | 396.76 mi (638.53 km) |
| Potters Bar to Ostrhauderfehn | 342.86 mi (551.78 km) |
| Potters Bar to Ostringen | 426.69 mi (686.69 km) |
