| Brandenburg to Obernburg am Main | 230.87 mi (371.56 km) |
| Brandenburg to Obernkirchen | 144.54 mi (232.61 km) |
| Brandenburg to Oberschleissheim | 291.02 mi (468.36 km) |
| Brandenburg to Oberstdorf | 360.15 mi (579.60 km) |
| Brandenburg to Obertraubling | 238.97 mi (384.59 km) |
| Brandenburg to Obertshausen | 227.93 mi (366.82 km) |
| Brandenburg to Oberursel | 229.26 mi (368.96 km) |
| Brandenburg to Ochsenfurt | 219.12 mi (352.65 km) |
| Brandenburg to Ochsenhausen | 321.12 mi (516.80 km) |
| Brandenburg to Ochtrup | 226.12 mi (363.90 km) |
| Brandenburg to Odenthal | 250.68 mi (403.43 km) |
| Brandenburg to Oelde | 190.22 mi (306.13 km) |
| Brandenburg to Oelsnitz | 139.09 mi (223.84 km) |
| Brandenburg to Oer-Erkenschwick | 230.79 mi (371.42 km) |
| Brandenburg to Oerlinghausen | 166.68 mi (268.24 km) |
