| Aytos to Oignies | 1,263.16 mi (2,032.86 km) |
| Aytos to Oissel | 1,328.17 mi (2,137.48 km) |
| Aytos to Olivet | 1,276.43 mi (2,054.22 km) |
| Aytos to Ollioules | 1,080.42 mi (1,738.77 km) |
| Aytos to Olonne-sur-Mer | 1,443.25 mi (2,322.69 km) |
| Aytos to Oloron-Sainte-Marie | 1,402.74 mi (2,257.49 km) |
| Aytos to Onet Village | 1,235.72 mi (1,988.70 km) |
| Aytos to Onnaing | 1,236.04 mi (1,989.21 km) |
| Aytos to Orange | 1,127.03 mi (1,813.79 km) |
| Aytos to Orchies | 1,252.67 mi (2,015.97 km) |
| Aytos to Orleans | 1,276.36 mi (2,054.11 km) |
| Aytos to Orly | 1,262.90 mi (2,032.43 km) |
| Aytos to Ormesson-sur-Marne | 1,256.88 mi (2,022.75 km) |
| Aytos to Orsay | 1,271.58 mi (2,046.41 km) |
| Aytos to Orthez | 1,408.13 mi (2,266.16 km) |
