| Titu to Octeville | 1,316.18 mi (2,118.19 km) |
| Titu to Oignies | 1,121.13 mi (1,804.29 km) |
| Titu to Oissel | 1,192.12 mi (1,918.53 km) |
| Titu to Olivet | 1,147.47 mi (1,846.67 km) |
| Titu to Ollioules | 985.27 mi (1,585.63 km) |
| Titu to Olonne-sur-Mer | 1,321.65 mi (2,126.98 km) |
| Titu to Oloron-Sainte-Marie | 1,301.09 mi (2,093.91 km) |
| Titu to Onet Village | 1,128.63 mi (1,816.35 km) |
| Titu to Onnaing | 1,093.94 mi (1,760.52 km) |
| Titu to Orange | 1,022.88 mi (1,646.16 km) |
| Titu to Orchies | 1,110.45 mi (1,787.10 km) |
| Titu to Orleans | 1,147.19 mi (1,846.22 km) |
| Titu to Orly | 1,129.14 mi (1,817.18 km) |
| Titu to Ormesson-sur-Marne | 1,122.85 mi (1,807.05 km) |
| Titu to Orsay | 1,138.15 mi (1,831.68 km) |
