| Hanko to Oignies | 1,013.04 mi (1,630.33 km) |
| Hanko to Oissel | 1,127.60 mi (1,814.69 km) |
| Hanko to Olivet | 1,182.39 mi (1,902.87 km) |
| Hanko to Ollioules | 1,359.55 mi (2,187.98 km) |
| Hanko to Olonne-sur-Mer | 1,361.22 mi (2,190.67 km) |
| Hanko to Oloron-Sainte-Marie | 1,516.13 mi (2,439.98 km) |
| Hanko to Onet Village | 1,363.04 mi (2,193.60 km) |
| Hanko to Onnaing | 999.30 mi (1,608.22 km) |
| Hanko to Orange | 1,321.99 mi (2,127.54 km) |
| Hanko to Orchies | 1,005.30 mi (1,617.88 km) |
| Hanko to Orleans | 1,180.05 mi (1,899.10 km) |
| Hanko to Orly | 1,120.74 mi (1,803.65 km) |
| Hanko to Ormesson-sur-Marne | 1,114.31 mi (1,793.30 km) |
| Hanko to Orsay | 1,129.11 mi (1,817.13 km) |
| Hanko to Orthez | 1,503.53 mi (2,419.70 km) |
