| Titusville to Octeville | 4,276.04 mi (6,881.63 km) |
| Titusville to Oignies | 4,462.58 mi (7,181.83 km) |
| Titusville to Oissel | 4,400.05 mi (7,081.20 km) |
| Titusville to Olivet | 4,461.71 mi (7,180.43 km) |
| Titusville to Ollioules | 4,742.26 mi (7,631.93 km) |
| Titusville to Olonne-sur-Mer | 4,317.55 mi (6,948.42 km) |
| Titusville to Oloron-Sainte-Marie | 4,431.51 mi (7,131.83 km) |
| Titusville to Onet Village | 4,561.42 mi (7,340.90 km) |
| Titusville to Onnaing | 4,489.74 mi (7,225.53 km) |
| Titusville to Orange | 4,670.58 mi (7,516.57 km) |
| Titusville to Orchies | 4,473.13 mi (7,198.81 km) |
| Titusville to Orleans | 4,461.38 mi (7,179.90 km) |
| Titusville to Orly | 4,467.53 mi (7,189.79 km) |
| Titusville to Ormesson-sur-Marne | 4,473.16 mi (7,198.85 km) |
| Titusville to Orsay | 4,459.32 mi (7,176.59 km) |
