| Marmara Ereglisi to Octeville | 1,545.22 mi (2,486.79 km) |
| Marmara Ereglisi to Oignies | 1,362.02 mi (2,191.96 km) |
| Marmara Ereglisi to Oissel | 1,421.15 mi (2,287.11 km) |
| Marmara Ereglisi to Olivet | 1,363.26 mi (2,193.95 km) |
| Marmara Ereglisi to Ollioules | 1,140.69 mi (1,835.76 km) |
| Marmara Ereglisi to Olonne-sur-Mer | 1,522.78 mi (2,450.68 km) |
| Marmara Ereglisi to Oloron-Sainte-Marie | 1,465.53 mi (2,358.54 km) |
| Marmara Ereglisi to Onet Village | 1,304.21 mi (2,098.92 km) |
| Marmara Ereglisi to Onnaing | 1,335.06 mi (2,148.57 km) |
| Marmara Ereglisi to Orange | 1,194.06 mi (1,921.65 km) |
| Marmara Ereglisi to Orchies | 1,351.75 mi (2,175.43 km) |
| Marmara Ereglisi to Orleans | 1,363.37 mi (2,194.14 km) |
| Marmara Ereglisi to Orly | 1,354.06 mi (2,179.15 km) |
| Marmara Ereglisi to Ormesson-sur-Marne | 1,348.32 mi (2,169.92 km) |
| Marmara Ereglisi to Orsay | 1,362.42 mi (2,192.60 km) |
