| Alcira to Oberkirch | 773.85 mi (1,245.39 km) |
| Alcira to Obernburg am Main | 874.94 mi (1,408.08 km) |
| Alcira to Obernkirchen | 1,014.70 mi (1,633.01 km) |
| Alcira to Oberschleissheim | 866.76 mi (1,394.92 km) |
| Alcira to Oberstdorf | 783.51 mi (1,260.94 km) |
| Alcira to Obertraubling | 920.37 mi (1,481.19 km) |
| Alcira to Obertshausen | 879.82 mi (1,415.93 km) |
| Alcira to Oberursel | 881.30 mi (1,418.32 km) |
| Alcira to Ochsenfurt | 889.83 mi (1,432.04 km) |
| Alcira to Ochsenhausen | 804.64 mi (1,294.95 km) |
| Alcira to Ochtrup | 972.97 mi (1,565.84 km) |
| Alcira to Odenthal | 898.76 mi (1,446.41 km) |
| Alcira to Oelde | 968.39 mi (1,558.48 km) |
| Alcira to Oelsnitz | 991.09 mi (1,595.01 km) |
| Alcira to Oer-Erkenschwick | 938.98 mi (1,511.14 km) |
