| Falmouth to Octeville | 156.76 mi (252.28 km) |
| Falmouth to Oignies | 356.32 mi (573.44 km) |
| Falmouth to Oissel | 280.61 mi (451.59 km) |
| Falmouth to Olivet | 353.02 mi (568.13 km) |
| Falmouth to Ollioules | 707.73 mi (1,138.99 km) |
| Falmouth to Olonne-sur-Mer | 291.95 mi (469.85 km) |
| Falmouth to Oloron-Sainte-Marie | 524.88 mi (844.71 km) |
| Falmouth to Onet Village | 536.92 mi (864.09 km) |
| Falmouth to Onnaing | 382.95 mi (616.30 km) |
| Falmouth to Orange | 622.03 mi (1,001.06 km) |
| Falmouth to Orchies | 367.34 mi (591.18 km) |
| Falmouth to Orleans | 352.07 mi (566.60 km) |
| Falmouth to Orly | 348.86 mi (561.43 km) |
| Falmouth to Ormesson-sur-Marne | 354.21 mi (570.05 km) |
| Falmouth to Orsay | 341.08 mi (548.92 km) |
