| Don Benito to Oberkirch | 957.68 mi (1,541.24 km) |
| Don Benito to Obernburg am Main | 1,051.82 mi (1,692.74 km) |
| Don Benito to Obernkirchen | 1,165.70 mi (1,876.01 km) |
| Don Benito to Oberschleissheim | 1,078.83 mi (1,736.21 km) |
| Don Benito to Oberstdorf | 998.08 mi (1,606.25 km) |
| Don Benito to Obertraubling | 1,127.60 mi (1,814.70 km) |
| Don Benito to Obertshausen | 1,051.62 mi (1,692.41 km) |
| Don Benito to Oberursel | 1,049.44 mi (1,688.90 km) |
| Don Benito to Ochsenfurt | 1,075.89 mi (1,731.48 km) |
| Don Benito to Ochsenhausen | 1,008.77 mi (1,623.46 km) |
| Don Benito to Ochtrup | 1,108.34 mi (1,783.70 km) |
| Don Benito to Odenthal | 1,044.89 mi (1,681.60 km) |
| Don Benito to Oelde | 1,115.73 mi (1,795.59 km) |
| Don Benito to Oelsnitz | 1,182.37 mi (1,902.85 km) |
| Don Benito to Oer-Erkenschwick | 1,080.26 mi (1,738.51 km) |
