| Plymstock to Octeville | 119.82 mi (192.82 km) |
| Plymstock to Oignies | 311.87 mi (501.90 km) |
| Plymstock to Oissel | 241.20 mi (388.17 km) |
| Plymstock to Olivet | 320.91 mi (516.46 km) |
| Plymstock to Ollioules | 684.41 mi (1,101.46 km) |
| Plymstock to Olonne-sur-Mer | 284.52 mi (457.88 km) |
| Plymstock to Oloron-Sainte-Marie | 521.47 mi (839.22 km) |
| Plymstock to Onet Village | 518.41 mi (834.29 km) |
| Plymstock to Onnaing | 338.65 mi (545.01 km) |
| Plymstock to Orange | 598.24 mi (962.77 km) |
| Plymstock to Orchies | 322.87 mi (519.62 km) |
| Plymstock to Orleans | 319.73 mi (514.55 km) |
| Plymstock to Orly | 311.11 mi (500.68 km) |
| Plymstock to Ormesson-sur-Marne | 316.08 mi (508.68 km) |
| Plymstock to Orsay | 303.84 mi (488.99 km) |
