| Billingham to Octeville | 344.66 mi (554.68 km) |
| Billingham to Oignies | 337.43 mi (543.05 km) |
| Billingham to Oissel | 377.55 mi (607.61 km) |
| Billingham to Olivet | 485.74 mi (781.73 km) |
| Billingham to Ollioules | 854.94 mi (1,375.89 km) |
| Billingham to Olonne-sur-Mer | 558.28 mi (898.47 km) |
| Billingham to Oloron-Sainte-Marie | 789.32 mi (1,270.29 km) |
| Billingham to Onet Village | 728.47 mi (1,172.35 km) |
| Billingham to Onnaing | 356.23 mi (573.30 km) |
| Billingham to Orange | 772.79 mi (1,243.68 km) |
| Billingham to Orchies | 342.80 mi (551.68 km) |
| Billingham to Orleans | 483.27 mi (777.75 km) |
| Billingham to Orly | 434.48 mi (699.23 km) |
| Billingham to Ormesson-sur-Marne | 434.05 mi (698.53 km) |
| Billingham to Orsay | 434.39 mi (699.09 km) |
