| Gagny to Obernburg am Main | 304.51 mi (490.06 km) |
| Gagny to Obernkirchen | 371.39 mi (597.69 km) |
| Gagny to Oberschleissheim | 415.09 mi (668.02 km) |
| Gagny to Oberstdorf | 371.14 mi (597.28 km) |
| Gagny to Obertraubling | 437.09 mi (703.43 km) |
| Gagny to Obertshausen | 294.32 mi (473.66 km) |
| Gagny to Oberursel | 285.79 mi (459.94 km) |
| Gagny to Ochsenfurt | 343.61 mi (552.98 km) |
| Gagny to Ochsenhausen | 344.07 mi (553.72 km) |
| Gagny to Ochtrup | 307.29 mi (494.53 km) |
| Gagny to Odenthal | 252.07 mi (405.66 km) |
| Gagny to Oelde | 320.53 mi (515.85 km) |
| Gagny to Oelsnitz | 443.43 mi (713.63 km) |
| Gagny to Oer-Erkenschwick | 282.30 mi (454.32 km) |
| Gagny to Oerlinghausen | 343.72 mi (553.16 km) |
