| Brasov to Oberkirch | 846.04 mi (1,361.58 km) |
| Brasov to Obernburg am Main | 815.75 mi (1,312.83 km) |
| Brasov to Obernkirchen | 873.35 mi (1,405.52 km) |
| Brasov to Oberschleissheim | 685.09 mi (1,102.55 km) |
| Brasov to Oberstdorf | 737.58 mi (1,187.01 km) |
| Brasov to Obertraubling | 668.88 mi (1,076.45 km) |
| Brasov to Obertshausen | 832.97 mi (1,340.54 km) |
| Brasov to Oberursel | 846.39 mi (1,362.13 km) |
| Brasov to Ochsenfurt | 772.46 mi (1,243.16 km) |
| Brasov to Ochsenhausen | 757.13 mi (1,218.48 km) |
| Brasov to Ochtrup | 946.77 mi (1,523.67 km) |
| Brasov to Odenthal | 923.62 mi (1,486.42 km) |
| Brasov to Oelde | 899.41 mi (1,447.46 km) |
| Brasov to Oelsnitz | 701.24 mi (1,128.53 km) |
| Brasov to Oer-Erkenschwick | 930.95 mi (1,498.21 km) |
