| San Fernando de Henares to Oberkirch | 799.50 mi (1,286.67 km) |
| San Fernando de Henares to Obernburg am Main | 894.80 mi (1,440.04 km) |
| San Fernando de Henares to Obernkirchen | 1,013.49 mi (1,631.06 km) |
| San Fernando de Henares to Oberschleissheim | 918.86 mi (1,478.77 km) |
| San Fernando de Henares to Oberstdorf | 838.02 mi (1,348.66 km) |
| San Fernando de Henares to Obertraubling | 967.87 mi (1,557.64 km) |
| San Fernando de Henares to Obertshausen | 895.31 mi (1,440.86 km) |
| San Fernando de Henares to Oberursel | 893.68 mi (1,438.23 km) |
| San Fernando de Henares to Ochsenfurt | 917.81 mi (1,477.08 km) |
| San Fernando de Henares to Ochsenhausen | 849.07 mi (1,366.44 km) |
| San Fernando de Henares to Ochtrup | 959.21 mi (1,543.70 km) |
| San Fernando de Henares to Odenthal | 893.07 mi (1,437.26 km) |
| San Fernando de Henares to Oelde | 964.04 mi (1,551.47 km) |
| San Fernando de Henares to Oelsnitz | 1,023.98 mi (1,647.93 km) |
| San Fernando de Henares to Oer-Erkenschwick | 929.66 mi (1,496.14 km) |
