| Agrinio to Octeville | 1,364.19 mi (2,195.46 km) |
| Agrinio to Oignies | 1,215.43 mi (1,956.05 km) |
| Agrinio to Oissel | 1,245.87 mi (2,005.04 km) |
| Agrinio to Olivet | 1,165.97 mi (1,876.44 km) |
| Agrinio to Ollioules | 868.90 mi (1,398.36 km) |
| Agrinio to Olonne-sur-Mer | 1,293.40 mi (2,081.53 km) |
| Agrinio to Oloron-Sainte-Marie | 1,188.02 mi (1,911.93 km) |
| Agrinio to Onet Village | 1,048.20 mi (1,686.91 km) |
| Agrinio to Onnaing | 1,190.56 mi (1,916.01 km) |
| Agrinio to Orange | 938.72 mi (1,510.73 km) |
| Agrinio to Orchies | 1,206.68 mi (1,941.97 km) |
| Agrinio to Orleans | 1,166.79 mi (1,877.77 km) |
| Agrinio to Orly | 1,174.27 mi (1,889.81 km) |
| Agrinio to Ormesson-sur-Marne | 1,169.95 mi (1,882.85 km) |
| Agrinio to Orsay | 1,180.89 mi (1,900.46 km) |
