| Birecik to Oberkirch | 1,696.64 mi (2,730.47 km) |
| Birecik to Obernburg am Main | 1,680.45 mi (2,704.42 km) |
| Birecik to Obernkirchen | 1,747.46 mi (2,812.26 km) |
| Birecik to Oberschleissheim | 1,538.94 mi (2,476.68 km) |
| Birecik to Oberstdorf | 1,576.91 mi (2,537.80 km) |
| Birecik to Obertraubling | 1,531.73 mi (2,465.07 km) |
| Birecik to Obertshausen | 1,698.82 mi (2,733.99 km) |
| Birecik to Oberursel | 1,712.79 mi (2,756.47 km) |
| Birecik to Ochsenfurt | 1,637.19 mi (2,634.80 km) |
| Birecik to Ochsenhausen | 1,605.33 mi (2,583.52 km) |
| Birecik to Ochtrup | 1,820.09 mi (2,929.15 km) |
| Birecik to Odenthal | 1,792.95 mi (2,885.48 km) |
| Birecik to Oelde | 1,772.45 mi (2,852.48 km) |
| Birecik to Oelsnitz | 1,573.32 mi (2,532.01 km) |
| Birecik to Oer-Erkenschwick | 1,802.84 mi (2,901.39 km) |
