| Reda to Octeville | 911.57 mi (1,467.03 km) |
| Reda to Oignies | 704.15 mi (1,133.22 km) |
| Reda to Oissel | 817.02 mi (1,314.86 km) |
| Reda to Olivet | 847.67 mi (1,364.20 km) |
| Reda to Ollioules | 972.41 mi (1,564.94 km) |
| Reda to Olonne-sur-Mer | 1,038.98 mi (1,672.08 km) |
| Reda to Oloron-Sainte-Marie | 1,161.06 mi (1,868.54 km) |
| Reda to Onet Village | 996.54 mi (1,603.77 km) |
| Reda to Onnaing | 684.06 mi (1,100.88 km) |
| Reda to Orange | 942.82 mi (1,517.33 km) |
| Reda to Orchies | 694.42 mi (1,117.56 km) |
| Reda to Orleans | 845.68 mi (1,360.99 km) |
| Reda to Orly | 792.31 mi (1,275.11 km) |
| Reda to Ormesson-sur-Marne | 785.27 mi (1,263.78 km) |
| Reda to Orsay | 801.70 mi (1,290.22 km) |
