| Tavistock to Oerlinghausen | 562.08 mi (904.58 km) |
| Tavistock to Oestrich-Winkel | 537.26 mi (864.64 km) |
| Tavistock to Offenburg | 560.13 mi (901.44 km) |
| Tavistock to Oftersheim | 571.13 mi (919.15 km) |
| Tavistock to Ohrdruf | 650.69 mi (1,047.18 km) |
| Tavistock to Ohringen | 613.99 mi (988.13 km) |
| Tavistock to Olbernhau | 764.91 mi (1,231.00 km) |
| Tavistock to Olching | 713.02 mi (1,147.50 km) |
| Tavistock to Oldenburg | 556.62 mi (895.80 km) |
| Tavistock to Oldenburg in Holstein | 682.81 mi (1,098.88 km) |
| Tavistock to Olfen | 506.03 mi (814.38 km) |
| Tavistock to Olpe | 523.95 mi (843.21 km) |
| Tavistock to Olsberg | 552.05 mi (888.44 km) |
| Tavistock to Oranienburg | 758.86 mi (1,221.27 km) |
| Tavistock to Ortenberg | 580.35 mi (933.98 km) |
