| Biarritz to Obernburg am Main | 670.13 mi (1,078.47 km) |
| Biarritz to Obernkirchen | 781.55 mi (1,257.78 km) |
| Biarritz to Oberschleissheim | 711.08 mi (1,144.37 km) |
| Biarritz to Oberstdorf | 634.01 mi (1,020.34 km) |
| Biarritz to Obertraubling | 756.15 mi (1,216.90 km) |
| Biarritz to Obertshausen | 668.94 mi (1,076.55 km) |
| Biarritz to Oberursel | 666.20 mi (1,072.15 km) |
| Biarritz to Ochsenfurt | 696.38 mi (1,120.72 km) |
| Biarritz to Ochsenhausen | 637.97 mi (1,026.72 km) |
| Biarritz to Ochtrup | 725.58 mi (1,167.70 km) |
| Biarritz to Odenthal | 660.81 mi (1,063.47 km) |
| Biarritz to Oelde | 731.70 mi (1,177.56 km) |
| Biarritz to Oelsnitz | 803.46 mi (1,293.05 km) |
| Biarritz to Oer-Erkenschwick | 696.64 mi (1,121.13 km) |
| Biarritz to Oerlinghausen | 753.35 mi (1,212.40 km) |
