| Blain to Obernburg am Main | 523.25 mi (842.09 km) |
| Blain to Obernkirchen | 585.85 mi (942.83 km) |
| Blain to Oberschleissheim | 619.45 mi (996.91 km) |
| Blain to Oberstdorf | 562.21 mi (904.79 km) |
| Blain to Obertraubling | 648.53 mi (1,043.71 km) |
| Blain to Obertshausen | 514.12 mi (827.40 km) |
| Blain to Oberursel | 506.04 mi (814.40 km) |
| Blain to Ochsenfurt | 560.74 mi (902.43 km) |
| Blain to Ochsenhausen | 544.85 mi (876.86 km) |
| Blain to Ochtrup | 515.08 mi (828.94 km) |
| Blain to Odenthal | 469.41 mi (755.44 km) |
| Blain to Oelde | 535.26 mi (861.41 km) |
| Blain to Oelsnitz | 662.81 mi (1,066.69 km) |
| Blain to Oer-Erkenschwick | 495.50 mi (797.43 km) |
| Blain to Oerlinghausen | 558.94 mi (899.53 km) |
