| San Juan de Aznalfarache to Oberkirch | 1,047.26 mi (1,685.40 km) |
| San Juan de Aznalfarache to Obernburg am Main | 1,143.60 mi (1,840.45 km) |
| San Juan de Aznalfarache to Obernkirchen | 1,263.38 mi (2,033.21 km) |
| San Juan de Aznalfarache to Oberschleissheim | 1,161.20 mi (1,868.78 km) |
| San Juan de Aznalfarache to Oberstdorf | 1,079.23 mi (1,736.86 km) |
| San Juan de Aznalfarache to Obertraubling | 1,211.70 mi (1,950.04 km) |
| San Juan de Aznalfarache to Obertshausen | 1,144.55 mi (1,841.98 km) |
| San Juan de Aznalfarache to Oberursel | 1,143.16 mi (1,839.74 km) |
| San Juan de Aznalfarache to Ochsenfurt | 1,165.59 mi (1,875.83 km) |
| San Juan de Aznalfarache to Ochsenhausen | 1,093.21 mi (1,759.35 km) |
| San Juan de Aznalfarache to Ochtrup | 1,208.47 mi (1,944.84 km) |
| San Juan de Aznalfarache to Odenthal | 1,142.90 mi (1,839.33 km) |
| San Juan de Aznalfarache to Oelde | 1,213.86 mi (1,953.52 km) |
| San Juan de Aznalfarache to Oelsnitz | 1,271.22 mi (2,045.83 km) |
| San Juan de Aznalfarache to Oer-Erkenschwick | 1,179.28 mi (1,897.87 km) |
