| Alcobaca to Oberkirch | 1,046.34 mi (1,683.93 km) |
| Alcobaca to Obernburg am Main | 1,133.79 mi (1,824.67 km) |
| Alcobaca to Obernkirchen | 1,229.68 mi (1,978.98 km) |
| Alcobaca to Oberschleissheim | 1,180.76 mi (1,900.25 km) |
| Alcobaca to Oberstdorf | 1,103.26 mi (1,775.52 km) |
| Alcobaca to Obertraubling | 1,225.65 mi (1,972.49 km) |
| Alcobaca to Obertshausen | 1,130.67 mi (1,819.64 km) |
| Alcobaca to Oberursel | 1,126.44 mi (1,812.83 km) |
| Alcobaca to Ochsenfurt | 1,162.57 mi (1,870.98 km) |
| Alcobaca to Ochsenhausen | 1,107.62 mi (1,782.55 km) |
| Alcobaca to Ochtrup | 1,164.77 mi (1,874.52 km) |
| Alcobaca to Odenthal | 1,109.42 mi (1,785.44 km) |
| Alcobaca to Oelde | 1,178.88 mi (1,897.23 km) |
| Alcobaca to Oelsnitz | 1,269.76 mi (2,043.48 km) |
| Alcobaca to Oer-Erkenschwick | 1,140.92 mi (1,836.13 km) |
