| Argostoli to Octeville | 1,348.18 mi (2,169.68 km) |
| Argostoli to Oignies | 1,206.48 mi (1,941.64 km) |
| Argostoli to Oissel | 1,231.65 mi (1,982.15 km) |
| Argostoli to Olivet | 1,148.35 mi (1,848.09 km) |
| Argostoli to Ollioules | 839.12 mi (1,350.44 km) |
| Argostoli to Olonne-sur-Mer | 1,268.98 mi (2,042.22 km) |
| Argostoli to Oloron-Sainte-Marie | 1,154.78 mi (1,858.43 km) |
| Argostoli to Onet Village | 1,020.18 mi (1,641.81 km) |
| Argostoli to Onnaing | 1,182.17 mi (1,902.51 km) |
| Argostoli to Orange | 911.75 mi (1,467.32 km) |
| Argostoli to Orchies | 1,198.07 mi (1,928.10 km) |
| Argostoli to Orleans | 1,149.30 mi (1,849.62 km) |
| Argostoli to Orly | 1,159.78 mi (1,866.49 km) |
| Argostoli to Ormesson-sur-Marne | 1,155.74 mi (1,859.99 km) |
| Argostoli to Orsay | 1,166.04 mi (1,876.56 km) |
