| Nailsea to Octeville | 133.89 mi (215.47 km) |
| Nailsea to Oignies | 259.02 mi (416.85 km) |
| Nailsea to Oissel | 222.67 mi (358.35 km) |
| Nailsea to Olivet | 322.64 mi (519.24 km) |
| Nailsea to Ollioules | 699.58 mi (1,125.87 km) |
| Nailsea to Olonne-sur-Mer | 341.08 mi (548.91 km) |
| Nailsea to Oloron-Sainte-Marie | 577.84 mi (929.95 km) |
| Nailsea to Onet Village | 547.14 mi (880.53 km) |
| Nailsea to Onnaing | 286.11 mi (460.45 km) |
| Nailsea to Orange | 613.56 mi (987.42 km) |
| Nailsea to Orchies | 269.46 mi (433.66 km) |
| Nailsea to Orleans | 320.80 mi (516.28 km) |
| Nailsea to Orly | 294.20 mi (473.47 km) |
| Nailsea to Ormesson-sur-Marne | 297.36 mi (478.56 km) |
| Nailsea to Orsay | 289.34 mi (465.64 km) |
