| Adelfia to Octeville | 1,074.41 mi (1,729.09 km) |
| Adelfia to Oignies | 932.90 mi (1,501.36 km) |
| Adelfia to Oissel | 957.38 mi (1,540.76 km) |
| Adelfia to Olivet | 875.27 mi (1,408.61 km) |
| Adelfia to Ollioules | 583.73 mi (939.42 km) |
| Adelfia to Olonne-sur-Mer | 1,002.53 mi (1,613.42 km) |
| Adelfia to Oloron-Sainte-Marie | 906.83 mi (1,459.40 km) |
| Adelfia to Onet Village | 760.16 mi (1,223.36 km) |
| Adelfia to Onnaing | 908.86 mi (1,462.67 km) |
| Adelfia to Orange | 649.96 mi (1,046.01 km) |
| Adelfia to Orchies | 924.64 mi (1,488.07 km) |
| Adelfia to Orleans | 876.15 mi (1,410.02 km) |
| Adelfia to Orly | 885.55 mi (1,425.15 km) |
| Adelfia to Ormesson-sur-Marne | 881.46 mi (1,418.57 km) |
| Adelfia to Orsay | 891.88 mi (1,435.34 km) |
