| Gzira to Oerlinghausen | 1,146.08 mi (1,844.44 km) |
| Gzira to Oestrich-Winkel | 1,026.78 mi (1,652.43 km) |
| Gzira to Offenburg | 929.79 mi (1,496.35 km) |
| Gzira to Oftersheim | 976.90 mi (1,572.16 km) |
| Gzira to Ohrdruf | 1,047.90 mi (1,686.43 km) |
| Gzira to Ohringen | 952.57 mi (1,533.02 km) |
| Gzira to Olbernhau | 1,021.57 mi (1,644.06 km) |
| Gzira to Olching | 864.80 mi (1,391.76 km) |
| Gzira to Oldenburg | 1,229.45 mi (1,978.60 km) |
| Gzira to Oldenburg in Holstein | 1,282.69 mi (2,064.29 km) |
| Gzira to Olfen | 1,147.23 mi (1,846.29 km) |
| Gzira to Olpe | 1,095.13 mi (1,762.45 km) |
| Gzira to Olsberg | 1,107.74 mi (1,782.74 km) |
| Gzira to Oranienburg | 1,165.79 mi (1,876.16 km) |
| Gzira to Ortenberg | 1,034.72 mi (1,665.22 km) |
