| Guildford to Octeville | 120.82 mi (194.44 km) |
| Guildford to Oignies | 164.23 mi (264.30 km) |
| Guildford to Oissel | 150.05 mi (241.48 km) |
| Guildford to Olivet | 257.97 mi (415.16 km) |
| Guildford to Ollioules | 634.87 mi (1,021.72 km) |
| Guildford to Olonne-sur-Mer | 329.32 mi (529.98 km) |
| Guildford to Oloron-Sainte-Marie | 555.67 mi (894.27 km) |
| Guildford to Onet Village | 496.80 mi (799.52 km) |
| Guildford to Onnaing | 191.17 mi (307.65 km) |
| Guildford to Orange | 550.23 mi (885.51 km) |
| Guildford to Orchies | 174.48 mi (280.80 km) |
| Guildford to Orleans | 255.71 mi (411.52 km) |
| Guildford to Orly | 216.72 mi (348.78 km) |
| Guildford to Ormesson-sur-Marne | 218.42 mi (351.51 km) |
| Guildford to Orsay | 213.93 mi (344.29 km) |
