| Drogheda to Octeville | 346.98 mi (558.40 km) |
| Drogheda to Oignies | 455.23 mi (732.62 km) |
| Drogheda to Oissel | 439.66 mi (707.57 km) |
| Drogheda to Olivet | 540.95 mi (870.58 km) |
| Drogheda to Ollioules | 917.51 mi (1,476.59 km) |
| Drogheda to Olonne-sur-Mer | 535.62 mi (861.99 km) |
| Drogheda to Oloron-Sainte-Marie | 772.50 mi (1,243.22 km) |
| Drogheda to Onet Village | 761.23 mi (1,225.07 km) |
| Drogheda to Onnaing | 480.65 mi (773.53 km) |
| Drogheda to Orange | 831.37 mi (1,337.95 km) |
| Drogheda to Orchies | 464.29 mi (747.20 km) |
| Drogheda to Orleans | 539.11 mi (867.62 km) |
| Drogheda to Orly | 510.36 mi (821.34 km) |
| Drogheda to Ormesson-sur-Marne | 512.97 mi (825.54 km) |
| Drogheda to Orsay | 506.13 mi (814.54 km) |
