| Tavistock to Oberkirch | 565.11 mi (909.46 km) |
| Tavistock to Obernburg am Main | 589.15 mi (948.15 km) |
| Tavistock to Obernkirchen | 583.20 mi (938.57 km) |
| Tavistock to Oberschleissheim | 722.81 mi (1,163.25 km) |
| Tavistock to Oberstdorf | 687.97 mi (1,107.18 km) |
| Tavistock to Obertraubling | 734.94 mi (1,182.77 km) |
| Tavistock to Obertshausen | 573.16 mi (922.41 km) |
| Tavistock to Oberursel | 560.63 mi (902.24 km) |
| Tavistock to Ochsenfurt | 632.16 mi (1,017.36 km) |
| Tavistock to Ochsenhausen | 656.54 mi (1,056.59 km) |
| Tavistock to Ochtrup | 501.81 mi (807.58 km) |
| Tavistock to Odenthal | 492.79 mi (793.07 km) |
| Tavistock to Oelde | 539.35 mi (868.01 km) |
| Tavistock to Oelsnitz | 716.00 mi (1,152.29 km) |
| Tavistock to Oer-Erkenschwick | 499.97 mi (804.62 km) |
