| Birkirkara to Oberkirch | 931.30 mi (1,498.78 km) |
| Birkirkara to Obernburg am Main | 999.71 mi (1,608.87 km) |
| Birkirkara to Obernkirchen | 1,160.93 mi (1,868.33 km) |
| Birkirkara to Oberschleissheim | 866.18 mi (1,393.99 km) |
| Birkirkara to Oberstdorf | 823.94 mi (1,326.00 km) |
| Birkirkara to Obertraubling | 910.43 mi (1,465.19 km) |
| Birkirkara to Obertshausen | 1,018.81 mi (1,639.62 km) |
| Birkirkara to Oberursel | 1,031.37 mi (1,659.83 km) |
| Birkirkara to Ochsenfurt | 975.62 mi (1,570.11 km) |
| Birkirkara to Ochsenhausen | 872.21 mi (1,403.68 km) |
| Birkirkara to Ochtrup | 1,181.83 mi (1,901.97 km) |
| Birkirkara to Odenthal | 1,107.46 mi (1,782.28 km) |
| Birkirkara to Oelde | 1,144.06 mi (1,841.18 km) |
| Birkirkara to Oelsnitz | 1,009.76 mi (1,625.05 km) |
| Birkirkara to Oer-Erkenschwick | 1,144.49 mi (1,841.88 km) |
