| Keratsini to Octeville | 1,484.25 mi (2,388.67 km) |
| Keratsini to Oignies | 1,329.55 mi (2,139.70 km) |
| Keratsini to Oissel | 1,364.66 mi (2,196.21 km) |
| Keratsini to Olivet | 1,287.47 mi (2,071.98 km) |
| Keratsini to Ollioules | 996.56 mi (1,603.80 km) |
| Keratsini to Olonne-sur-Mer | 1,418.86 mi (2,283.43 km) |
| Keratsini to Oloron-Sainte-Marie | 1,316.21 mi (2,118.24 km) |
| Keratsini to Onet Village | 1,175.27 mi (1,891.41 km) |
| Keratsini to Onnaing | 1,304.17 mi (2,098.86 km) |
| Keratsini to Orange | 1,065.50 mi (1,714.76 km) |
| Keratsini to Orchies | 1,320.49 mi (2,125.13 km) |
| Keratsini to Orleans | 1,288.21 mi (2,073.17 km) |
| Keratsini to Orly | 1,293.40 mi (2,081.53 km) |
| Keratsini to Ormesson-sur-Marne | 1,288.85 mi (2,074.20 km) |
| Keratsini to Orsay | 1,300.30 mi (2,092.64 km) |
