| San Vicente de Baracaldo to Oberkirch | 642.67 mi (1,034.27 km) |
| San Vicente de Baracaldo to Obernburg am Main | 730.95 mi (1,176.36 km) |
| San Vicente de Baracaldo to Obernkirchen | 834.55 mi (1,343.09 km) |
| San Vicente de Baracaldo to Oberschleissheim | 778.92 mi (1,253.54 km) |
| San Vicente de Baracaldo to Oberstdorf | 703.04 mi (1,131.43 km) |
| San Vicente de Baracaldo to Obertraubling | 822.68 mi (1,323.97 km) |
| San Vicente de Baracaldo to Obertshausen | 728.53 mi (1,172.46 km) |
| San Vicente de Baracaldo to Oberursel | 724.91 mi (1,166.63 km) |
| San Vicente de Baracaldo to Ochsenfurt | 759.06 mi (1,221.59 km) |
| San Vicente de Baracaldo to Ochsenhausen | 705.11 mi (1,134.76 km) |
| San Vicente de Baracaldo to Ochtrup | 774.71 mi (1,246.77 km) |
| San Vicente de Baracaldo to Odenthal | 713.67 mi (1,148.55 km) |
| San Vicente de Baracaldo to Oelde | 784.16 mi (1,261.98 km) |
| San Vicente de Baracaldo to Oelsnitz | 866.26 mi (1,394.11 km) |
| San Vicente de Baracaldo to Oer-Erkenschwick | 747.74 mi (1,203.38 km) |
