| Birkirkara to Oerlinghausen | 1,146.25 mi (1,844.71 km) |
| Birkirkara to Oestrich-Winkel | 1,026.82 mi (1,652.51 km) |
| Birkirkara to Offenburg | 929.75 mi (1,496.29 km) |
| Birkirkara to Oftersheim | 976.96 mi (1,572.26 km) |
| Birkirkara to Ohrdruf | 1,048.18 mi (1,686.88 km) |
| Birkirkara to Ohringen | 952.70 mi (1,533.23 km) |
| Birkirkara to Olbernhau | 1,022.06 mi (1,644.84 km) |
| Birkirkara to Olching | 865.06 mi (1,392.18 km) |
| Birkirkara to Oldenburg | 1,229.62 mi (1,978.89 km) |
| Birkirkara to Oldenburg in Holstein | 1,283.06 mi (2,064.88 km) |
| Birkirkara to Olfen | 1,147.30 mi (1,846.41 km) |
| Birkirkara to Olpe | 1,095.21 mi (1,762.57 km) |
| Birkirkara to Olsberg | 1,107.88 mi (1,782.96 km) |
| Birkirkara to Oranienburg | 1,166.28 mi (1,876.95 km) |
| Birkirkara to Ortenberg | 1,034.86 mi (1,665.45 km) |
