| Dogubayazit to Oberkirch | 1,872.47 mi (3,013.45 km) |
| Dogubayazit to Obernburg am Main | 1,836.94 mi (2,956.27 km) |
| Dogubayazit to Obernkirchen | 1,871.84 mi (3,012.44 km) |
| Dogubayazit to Oberschleissheim | 1,711.47 mi (2,754.34 km) |
| Dogubayazit to Oberstdorf | 1,763.78 mi (2,838.52 km) |
| Dogubayazit to Obertraubling | 1,692.54 mi (2,723.88 km) |
| Dogubayazit to Obertshausen | 1,853.01 mi (2,982.13 km) |
| Dogubayazit to Oberursel | 1,865.76 mi (3,002.65 km) |
| Dogubayazit to Ochsenfurt | 1,794.02 mi (2,887.20 km) |
| Dogubayazit to Ochsenhausen | 1,783.84 mi (2,870.82 km) |
| Dogubayazit to Ochtrup | 1,950.40 mi (3,138.86 km) |
| Dogubayazit to Odenthal | 1,938.41 mi (3,119.56 km) |
| Dogubayazit to Oelde | 1,905.13 mi (3,066.01 km) |
| Dogubayazit to Oelsnitz | 1,713.52 mi (2,757.64 km) |
| Dogubayazit to Oer-Erkenschwick | 1,940.20 mi (3,122.45 km) |
