| Burnham-on-Sea to Oberkirch | 526.69 mi (847.62 km) |
| Burnham-on-Sea to Obernburg am Main | 540.90 mi (870.49 km) |
| Burnham-on-Sea to Obernkirchen | 522.26 mi (840.50 km) |
| Burnham-on-Sea to Oberschleissheim | 680.74 mi (1,095.55 km) |
| Burnham-on-Sea to Oberstdorf | 652.40 mi (1,049.94 km) |
| Burnham-on-Sea to Obertraubling | 688.62 mi (1,108.23 km) |
| Burnham-on-Sea to Obertshausen | 523.78 mi (842.95 km) |
| Burnham-on-Sea to Oberursel | 510.60 mi (821.73 km) |
| Burnham-on-Sea to Ochsenfurt | 584.21 mi (940.20 km) |
| Burnham-on-Sea to Ochsenhausen | 617.79 mi (994.24 km) |
| Burnham-on-Sea to Ochtrup | 440.61 mi (709.09 km) |
| Burnham-on-Sea to Odenthal | 438.21 mi (705.22 km) |
| Burnham-on-Sea to Oelde | 480.22 mi (772.84 km) |
| Burnham-on-Sea to Oelsnitz | 662.88 mi (1,066.81 km) |
| Burnham-on-Sea to Oer-Erkenschwick | 441.72 mi (710.89 km) |
