| Loutraki to Octeville | 1,457.65 mi (2,345.86 km) |
| Loutraki to Oignies | 1,305.56 mi (2,101.09 km) |
| Loutraki to Oissel | 1,338.64 mi (2,154.33 km) |
| Loutraki to Olivet | 1,260.13 mi (2,027.98 km) |
| Loutraki to Ollioules | 965.20 mi (1,553.33 km) |
| Loutraki to Olonne-sur-Mer | 1,389.29 mi (2,235.84 km) |
| Loutraki to Oloron-Sainte-Marie | 1,284.05 mi (2,066.49 km) |
| Loutraki to Onet Village | 1,144.48 mi (1,841.87 km) |
| Loutraki to Onnaing | 1,280.39 mi (2,060.58 km) |
| Loutraki to Orange | 1,034.96 mi (1,665.61 km) |
| Loutraki to Orchies | 1,296.63 mi (2,086.72 km) |
| Loutraki to Orleans | 1,260.91 mi (2,029.24 km) |
| Loutraki to Orly | 1,267.21 mi (2,039.37 km) |
| Loutraki to Ormesson-sur-Marne | 1,262.76 mi (2,032.22 km) |
| Loutraki to Orsay | 1,273.98 mi (2,050.27 km) |
