| Trebbin to Oberkirch | 339.84 mi (546.92 km) |
| Trebbin to Obernburg am Main | 240.91 mi (387.71 km) |
| Trebbin to Obernkirchen | 172.72 mi (277.97 km) |
| Trebbin to Oberschleissheim | 283.40 mi (456.09 km) |
| Trebbin to Oberstdorf | 356.67 mi (574.01 km) |
| Trebbin to Obertraubling | 229.13 mi (368.76 km) |
| Trebbin to Obertshausen | 240.55 mi (387.13 km) |
| Trebbin to Oberursel | 243.64 mi (392.10 km) |
| Trebbin to Ochsenfurt | 223.71 mi (360.02 km) |
| Trebbin to Ochsenhausen | 320.44 mi (515.70 km) |
| Trebbin to Ochtrup | 254.36 mi (409.36 km) |
| Trebbin to Odenthal | 273.35 mi (439.91 km) |
| Trebbin to Oelde | 216.28 mi (348.07 km) |
| Trebbin to Oelsnitz | 132.13 mi (212.64 km) |
| Trebbin to Oer-Erkenschwick | 256.48 mi (412.76 km) |
