| Argentan to Oignies | 180.01 mi (289.69 km) |
| Argentan to Oissel | 65.11 mi (104.78 km) |
| Argentan to Olivet | 107.21 mi (172.54 km) |
| Argentan to Ollioules | 478.69 mi (770.37 km) |
| Argentan to Olonne-sur-Mer | 173.01 mi (278.43 km) |
| Argentan to Oloron-Sainte-Marie | 384.51 mi (618.81 km) |
| Argentan to Onet Village | 326.99 mi (526.24 km) |
| Argentan to Onnaing | 197.92 mi (318.51 km) |
| Argentan to Orange | 392.46 mi (631.61 km) |
| Argentan to Orchies | 188.79 mi (303.83 km) |
| Argentan to Orleans | 106.01 mi (170.61 km) |
| Argentan to Orly | 109.94 mi (176.93 km) |
| Argentan to Ormesson-sur-Marne | 116.56 mi (187.58 km) |
| Argentan to Orsay | 100.68 mi (162.04 km) |
| Argentan to Orthez | 364.94 mi (587.32 km) |
