| Tavistock to Octeville | 127.96 mi (205.93 km) |
| Tavistock to Oignies | 313.83 mi (505.06 km) |
| Tavistock to Oissel | 247.37 mi (398.11 km) |
| Tavistock to Olivet | 329.87 mi (530.87 km) |
| Tavistock to Ollioules | 695.24 mi (1,118.88 km) |
| Tavistock to Olonne-sur-Mer | 297.53 mi (478.83 km) |
| Tavistock to Oloron-Sainte-Marie | 534.60 mi (860.35 km) |
| Tavistock to Onet Village | 530.14 mi (853.17 km) |
| Tavistock to Onnaing | 340.78 mi (548.43 km) |
| Tavistock to Orange | 609.01 mi (980.11 km) |
| Tavistock to Orchies | 324.80 mi (522.71 km) |
| Tavistock to Orleans | 328.61 mi (528.84 km) |
| Tavistock to Orly | 317.94 mi (511.67 km) |
| Tavistock to Ormesson-sur-Marne | 322.71 mi (519.35 km) |
| Tavistock to Orsay | 310.92 mi (500.38 km) |
