| San Baudilio de Llobregat to Oerlinghausen | 797.45 mi (1,283.37 km) |
| San Baudilio de Llobregat to Oestrich-Winkel | 663.02 mi (1,067.03 km) |
| San Baudilio de Llobregat to Offenburg | 569.85 mi (917.09 km) |
| San Baudilio de Llobregat to Oftersheim | 638.44 mi (1,027.47 km) |
| San Baudilio de Llobregat to Ohrdruf | 775.14 mi (1,247.47 km) |
| San Baudilio de Llobregat to Ohringen | 651.98 mi (1,049.26 km) |
| San Baudilio de Llobregat to Olbernhau | 839.74 mi (1,351.44 km) |
| San Baudilio de Llobregat to Olching | 655.78 mi (1,055.37 km) |
| San Baudilio de Llobregat to Oldenburg | 864.25 mi (1,390.88 km) |
| San Baudilio de Llobregat to Oldenburg in Holstein | 982.76 mi (1,581.60 km) |
| San Baudilio de Llobregat to Olfen | 759.69 mi (1,222.61 km) |
| San Baudilio de Llobregat to Olpe | 722.80 mi (1,163.23 km) |
| San Baudilio de Llobregat to Olsberg | 755.71 mi (1,216.19 km) |
| San Baudilio de Llobregat to Oranienburg | 945.80 mi (1,522.12 km) |
| San Baudilio de Llobregat to Ortenberg | 707.40 mi (1,138.45 km) |
