| Baarn to Oberkirch | 282.78 mi (455.08 km) |
| Baarn to Obernburg am Main | 234.62 mi (377.58 km) |
| Baarn to Obernkirchen | 162.25 mi (261.11 km) |
| Baarn to Oberschleissheim | 389.90 mi (627.49 km) |
| Baarn to Oberstdorf | 399.69 mi (643.24 km) |
| Baarn to Obertraubling | 376.06 mi (605.21 km) |
| Baarn to Obertshausen | 213.84 mi (344.15 km) |
| Baarn to Oberursel | 199.15 mi (320.50 km) |
| Baarn to Ochsenfurt | 273.46 mi (440.09 km) |
| Baarn to Ochsenhausen | 352.92 mi (567.97 km) |
| Baarn to Ochtrup | 80.74 mi (129.94 km) |
| Baarn to Odenthal | 113.44 mi (182.56 km) |
| Baarn to Oelde | 124.71 mi (200.71 km) |
| Baarn to Oelsnitz | 322.06 mi (518.30 km) |
| Baarn to Oer-Erkenschwick | 92.74 mi (149.26 km) |
