| Alayor to Octeville | 726.74 mi (1,169.57 km) |
| Alayor to Oignies | 730.01 mi (1,174.84 km) |
| Alayor to Oissel | 666.91 mi (1,073.30 km) |
| Alayor to Olivet | 559.05 mi (899.70 km) |
| Alayor to Ollioules | 238.39 mi (383.65 km) |
| Alayor to Olonne-sur-Mer | 544.30 mi (875.97 km) |
| Alayor to Oloron-Sainte-Marie | 332.99 mi (535.89 km) |
| Alayor to Onet Village | 316.24 mi (508.95 km) |
| Alayor to Onnaing | 722.75 mi (1,163.15 km) |
| Alayor to Orange | 292.50 mi (470.73 km) |
| Alayor to Orchies | 729.57 mi (1,174.13 km) |
| Alayor to Orleans | 561.57 mi (903.77 km) |
| Alayor to Orly | 614.74 mi (989.33 km) |
| Alayor to Ormesson-sur-Marne | 616.64 mi (992.39 km) |
| Alayor to Orsay | 613.11 mi (986.71 km) |
