| Gzira to Oberkirch | 931.32 mi (1,498.82 km) |
| Gzira to Obernburg am Main | 999.58 mi (1,608.67 km) |
| Gzira to Obernkirchen | 1,160.72 mi (1,868.00 km) |
| Gzira to Oberschleissheim | 865.90 mi (1,393.52 km) |
| Gzira to Oberstdorf | 823.81 mi (1,325.79 km) |
| Gzira to Obertraubling | 910.07 mi (1,464.61 km) |
| Gzira to Obertshausen | 1,018.70 mi (1,639.44 km) |
| Gzira to Oberursel | 1,031.27 mi (1,659.67 km) |
| Gzira to Ochsenfurt | 975.42 mi (1,569.79 km) |
| Gzira to Ochsenhausen | 872.08 mi (1,403.48 km) |
| Gzira to Ochtrup | 1,181.75 mi (1,901.84 km) |
| Gzira to Odenthal | 1,107.43 mi (1,782.23 km) |
| Gzira to Oelde | 1,143.93 mi (1,840.97 km) |
| Gzira to Oelsnitz | 1,009.37 mi (1,624.42 km) |
| Gzira to Oer-Erkenschwick | 1,144.43 mi (1,841.78 km) |
