| Cuellar to Oberkirch | 779.42 mi (1,254.36 km) |
| Cuellar to Obernburg am Main | 870.98 mi (1,401.70 km) |
| Cuellar to Obernkirchen | 979.97 mi (1,577.11 km) |
| Cuellar to Oberschleissheim | 908.17 mi (1,461.55 km) |
| Cuellar to Oberstdorf | 829.45 mi (1,334.88 km) |
| Cuellar to Obertraubling | 954.64 mi (1,536.34 km) |
| Cuellar to Obertshausen | 869.71 mi (1,399.67 km) |
| Cuellar to Oberursel | 866.84 mi (1,395.04 km) |
| Cuellar to Ochsenfurt | 897.03 mi (1,443.63 km) |
| Cuellar to Ochsenhausen | 836.05 mi (1,345.50 km) |
| Cuellar to Ochtrup | 921.37 mi (1,482.81 km) |
| Cuellar to Odenthal | 859.09 mi (1,382.56 km) |
| Cuellar to Oelde | 929.78 mi (1,496.33 km) |
| Cuellar to Oelsnitz | 1,004.04 mi (1,615.85 km) |
| Cuellar to Oer-Erkenschwick | 893.83 mi (1,438.49 km) |
