| Ortakoy to Oerlinghausen | 1,520.87 mi (2,447.61 km) |
| Ortakoy to Oestrich-Winkel | 1,491.63 mi (2,400.54 km) |
| Ortakoy to Offenburg | 1,458.95 mi (2,347.95 km) |
| Ortakoy to Oftersheim | 1,451.58 mi (2,336.09 km) |
| Ortakoy to Ohrdruf | 1,405.71 mi (2,262.28 km) |
| Ortakoy to Ohringen | 1,408.85 mi (2,267.33 km) |
| Ortakoy to Olbernhau | 1,301.16 mi (2,094.01 km) |
| Ortakoy to Olching | 1,306.39 mi (2,102.43 km) |
| Ortakoy to Oldenburg | 1,575.68 mi (2,535.81 km) |
| Ortakoy to Oldenburg in Holstein | 1,525.48 mi (2,455.03 km) |
| Ortakoy to Olfen | 1,562.75 mi (2,515.00 km) |
| Ortakoy to Olpe | 1,525.31 mi (2,454.75 km) |
| Ortakoy to Olsberg | 1,509.20 mi (2,428.82 km) |
| Ortakoy to Oranienburg | 1,384.68 mi (2,228.42 km) |
| Ortakoy to Ortenberg | 1,457.98 mi (2,346.39 km) |
