| Balaguer to Oberkirch | 584.89 mi (941.28 km) |
| Balaguer to Obernburg am Main | 684.99 mi (1,102.39 km) |
| Balaguer to Obernkirchen | 821.66 mi (1,322.33 km) |
| Balaguer to Oberschleissheim | 688.36 mi (1,107.80 km) |
| Balaguer to Oberstdorf | 605.83 mi (974.99 km) |
| Balaguer to Obertraubling | 740.07 mi (1,191.02 km) |
| Balaguer to Obertshausen | 688.93 mi (1,108.72 km) |
| Balaguer to Oberursel | 689.82 mi (1,110.16 km) |
| Balaguer to Ochsenfurt | 702.10 mi (1,129.93 km) |
| Balaguer to Ochsenhausen | 622.39 mi (1,001.63 km) |
| Balaguer to Ochtrup | 779.24 mi (1,254.06 km) |
| Balaguer to Odenthal | 705.22 mi (1,134.94 km) |
| Balaguer to Oelde | 775.02 mi (1,247.28 km) |
| Balaguer to Oelsnitz | 805.35 mi (1,296.08 km) |
| Balaguer to Oer-Erkenschwick | 745.32 mi (1,199.48 km) |
