| Loviisa to Oignies | 1,132.24 mi (1,822.16 km) |
| Loviisa to Oissel | 1,246.94 mi (2,006.75 km) |
| Loviisa to Olivet | 1,300.13 mi (2,092.36 km) |
| Loviisa to Ollioules | 1,466.92 mi (2,360.78 km) |
| Loviisa to Olonne-sur-Mer | 1,480.23 mi (2,382.20 km) |
| Loviisa to Oloron-Sainte-Marie | 1,631.98 mi (2,626.42 km) |
| Loviisa to Onet Village | 1,476.64 mi (2,376.42 km) |
| Loviisa to Onnaing | 1,118.10 mi (1,799.41 km) |
| Loviisa to Orange | 1,432.31 mi (2,305.08 km) |
| Loviisa to Orchies | 1,124.38 mi (1,809.51 km) |
| Loviisa to Orleans | 1,297.81 mi (2,088.63 km) |
| Loviisa to Orly | 1,238.89 mi (1,993.81 km) |
| Loviisa to Ormesson-sur-Marne | 1,232.40 mi (1,983.35 km) |
| Loviisa to Orsay | 1,247.37 mi (2,007.44 km) |
| Loviisa to Orthez | 1,619.76 mi (2,606.75 km) |
