| Komotini to Oberkirch | 989.32 mi (1,592.16 km) |
| Komotini to Obernburg am Main | 989.69 mi (1,592.75 km) |
| Komotini to Obernkirchen | 1,087.06 mi (1,749.46 km) |
| Komotini to Oberschleissheim | 838.83 mi (1,349.97 km) |
| Komotini to Oberstdorf | 864.56 mi (1,391.37 km) |
| Komotini to Obertraubling | 842.83 mi (1,356.40 km) |
| Komotini to Obertshausen | 1,009.54 mi (1,624.70 km) |
| Komotini to Oberursel | 1,024.16 mi (1,648.22 km) |
| Komotini to Ochsenfurt | 947.71 mi (1,525.19 km) |
| Komotini to Ochsenhausen | 898.29 mi (1,445.65 km) |
| Komotini to Ochtrup | 1,149.97 mi (1,850.70 km) |
| Komotini to Odenthal | 1,108.64 mi (1,784.18 km) |
| Komotini to Oelde | 1,101.79 mi (1,773.17 km) |
| Komotini to Oelsnitz | 904.25 mi (1,455.24 km) |
| Komotini to Oer-Erkenschwick | 1,126.12 mi (1,812.32 km) |
