| Torrelodones to Oberkirch | 805.77 mi (1,296.76 km) |
| Torrelodones to Obernburg am Main | 900.06 mi (1,448.51 km) |
| Torrelodones to Obernkirchen | 1,015.86 mi (1,634.87 km) |
| Torrelodones to Oberschleissheim | 927.86 mi (1,493.25 km) |
| Torrelodones to Oberstdorf | 847.52 mi (1,363.96 km) |
| Torrelodones to Obertraubling | 976.21 mi (1,571.06 km) |
| Torrelodones to Obertshausen | 900.04 mi (1,448.48 km) |
| Torrelodones to Oberursel | 898.04 mi (1,445.25 km) |
| Torrelodones to Ochsenfurt | 923.98 mi (1,487.01 km) |
| Torrelodones to Ochsenhausen | 857.37 mi (1,379.81 km) |
| Torrelodones to Ochtrup | 960.15 mi (1,545.21 km) |
| Torrelodones to Odenthal | 895.22 mi (1,440.71 km) |
| Torrelodones to Oelde | 966.14 mi (1,554.85 km) |
| Torrelodones to Oelsnitz | 1,030.46 mi (1,658.37 km) |
| Torrelodones to Oer-Erkenschwick | 931.23 mi (1,498.68 km) |
