| Agen to Oignies | 446.79 mi (719.03 km) |
| Agen to Oissel | 355.63 mi (572.33 km) |
| Agen to Olivet | 260.14 mi (418.66 km) |
| Agen to Ollioules | 271.28 mi (436.58 km) |
| Agen to Olonne-sur-Mer | 198.59 mi (319.60 km) |
| Agen to Oloron-Sainte-Marie | 92.94 mi (149.58 km) |
| Agen to Onet Village | 98.19 mi (158.02 km) |
| Agen to Onnaing | 449.30 mi (723.08 km) |
| Agen to Orange | 207.60 mi (334.10 km) |
| Agen to Orchies | 450.20 mi (724.52 km) |
| Agen to Orleans | 262.83 mi (422.98 km) |
| Agen to Orly | 324.72 mi (522.59 km) |
| Agen to Ormesson-sur-Marne | 329.35 mi (530.04 km) |
| Agen to Orsay | 319.26 mi (513.80 km) |
| Agen to Orthez | 85.23 mi (137.16 km) |
