| Agios Athanasios to Oignies | 1,856.44 mi (2,987.64 km) |
| Agios Athanasios to Oissel | 1,905.47 mi (3,066.56 km) |
| Agios Athanasios to Olivet | 1,837.13 mi (2,956.58 km) |
| Agios Athanasios to Ollioules | 1,565.28 mi (2,519.07 km) |
| Agios Athanasios to Olonne-sur-Mer | 1,980.06 mi (3,186.59 km) |
| Agios Athanasios to Oloron-Sainte-Marie | 1,886.48 mi (3,036.00 km) |
| Agios Athanasios to Onet Village | 1,741.99 mi (2,803.47 km) |
| Agios Athanasios to Onnaing | 1,829.91 mi (2,944.96 km) |
| Agios Athanasios to Orange | 1,631.58 mi (2,625.78 km) |
| Agios Athanasios to Orchies | 1,846.57 mi (2,971.76 km) |
| Agios Athanasios to Orleans | 1,837.60 mi (2,957.33 km) |
| Agios Athanasios to Orly | 1,835.89 mi (2,954.58 km) |
| Agios Athanasios to Ormesson-sur-Marne | 1,830.70 mi (2,946.23 km) |
| Agios Athanasios to Orsay | 1,843.57 mi (2,966.94 km) |
| Agios Athanasios to Orthez | 1,897.10 mi (3,053.08 km) |
