| Trabzon to Oberkirch | 1,623.24 mi (2,612.34 km) |
| Trabzon to Obernburg am Main | 1,589.80 mi (2,558.53 km) |
| Trabzon to Obernkirchen | 1,630.11 mi (2,623.41 km) |
| Trabzon to Oberschleissheim | 1,462.27 mi (2,353.29 km) |
| Trabzon to Oberstdorf | 1,513.56 mi (2,435.85 km) |
| Trabzon to Obertraubling | 1,444.52 mi (2,324.73 km) |
| Trabzon to Obertshausen | 1,606.21 mi (2,584.95 km) |
| Trabzon to Oberursel | 1,619.17 mi (2,605.80 km) |
| Trabzon to Ochsenfurt | 1,546.73 mi (2,489.23 km) |
| Trabzon to Ochsenhausen | 1,534.25 mi (2,469.13 km) |
| Trabzon to Ochtrup | 1,707.76 mi (2,748.38 km) |
| Trabzon to Odenthal | 1,693.11 mi (2,724.79 km) |
| Trabzon to Oelde | 1,661.93 mi (2,674.61 km) |
| Trabzon to Oelsnitz | 1,468.43 mi (2,363.21 km) |
| Trabzon to Oer-Erkenschwick | 1,696.25 mi (2,729.85 km) |
