| Weston-super-Mare to Oberkirch | 528.18 mi (850.02 km) |
| Weston-super-Mare to Obernburg am Main | 540.97 mi (870.60 km) |
| Weston-super-Mare to Obernkirchen | 519.99 mi (836.85 km) |
| Weston-super-Mare to Oberschleissheim | 681.64 mi (1,096.99 km) |
| Weston-super-Mare to Oberstdorf | 654.17 mi (1,052.79 km) |
| Weston-super-Mare to Obertraubling | 688.90 mi (1,108.68 km) |
| Weston-super-Mare to Obertshausen | 523.68 mi (842.79 km) |
| Weston-super-Mare to Oberursel | 510.40 mi (821.42 km) |
| Weston-super-Mare to Ochsenfurt | 584.30 mi (940.34 km) |
| Weston-super-Mare to Ochsenhausen | 619.18 mi (996.47 km) |
| Weston-super-Mare to Ochtrup | 438.33 mi (705.42 km) |
| Weston-super-Mare to Odenthal | 437.28 mi (703.74 km) |
| Weston-super-Mare to Oelde | 478.36 mi (769.85 km) |
| Weston-super-Mare to Oelsnitz | 662.08 mi (1,065.51 km) |
| Weston-super-Mare to Oer-Erkenschwick | 440.09 mi (708.25 km) |
