| Ortakoy to Octeville | 1,898.97 mi (3,056.10 km) |
| Ortakoy to Oignies | 1,711.46 mi (2,754.33 km) |
| Ortakoy to Oissel | 1,774.72 mi (2,856.13 km) |
| Ortakoy to Olivet | 1,719.40 mi (2,767.11 km) |
| Ortakoy to Ollioules | 1,495.07 mi (2,406.08 km) |
| Ortakoy to Olonne-sur-Mer | 1,880.27 mi (3,025.99 km) |
| Ortakoy to Oloron-Sainte-Marie | 1,820.21 mi (2,929.35 km) |
| Ortakoy to Onet Village | 1,660.77 mi (2,672.75 km) |
| Ortakoy to Onnaing | 1,684.35 mi (2,710.70 km) |
| Ortakoy to Orange | 1,550.40 mi (2,495.13 km) |
| Ortakoy to Orchies | 1,701.00 mi (2,737.49 km) |
| Ortakoy to Orleans | 1,719.47 mi (2,767.21 km) |
| Ortakoy to Orly | 1,708.53 mi (2,749.61 km) |
| Ortakoy to Ormesson-sur-Marne | 1,702.65 mi (2,740.16 km) |
| Ortakoy to Orsay | 1,717.04 mi (2,763.31 km) |
