| Ermoupoli to Octeville | 1,562.05 mi (2,513.87 km) |
| Ermoupoli to Oignies | 1,404.97 mi (2,261.09 km) |
| Ermoupoli to Oissel | 1,442.00 mi (2,320.68 km) |
| Ermoupoli to Olivet | 1,365.87 mi (2,198.16 km) |
| Ermoupoli to Ollioules | 1,076.61 mi (1,732.64 km) |
| Ermoupoli to Olonne-sur-Mer | 1,498.53 mi (2,411.65 km) |
| Ermoupoli to Oloron-Sainte-Marie | 1,396.13 mi (2,246.85 km) |
| Ermoupoli to Onet Village | 1,255.29 mi (2,020.19 km) |
| Ermoupoli to Onnaing | 1,379.41 mi (2,219.94 km) |
| Ermoupoli to Orange | 1,145.48 mi (1,843.48 km) |
| Ermoupoli to Orchies | 1,395.79 mi (2,246.31 km) |
| Ermoupoli to Orleans | 1,366.57 mi (2,199.29 km) |
| Ermoupoli to Orly | 1,370.90 mi (2,206.25 km) |
| Ermoupoli to Ormesson-sur-Marne | 1,366.26 mi (2,198.79 km) |
| Ermoupoli to Orsay | 1,377.91 mi (2,217.53 km) |
