| Gaillac to Obernburg am Main | 533.77 mi (859.03 km) |
| Gaillac to Obernkirchen | 666.44 mi (1,072.53 km) |
| Gaillac to Oberschleissheim | 551.69 mi (887.86 km) |
| Gaillac to Oberstdorf | 471.43 mi (758.69 km) |
| Gaillac to Obertraubling | 600.48 mi (966.38 km) |
| Gaillac to Obertshausen | 536.50 mi (863.42 km) |
| Gaillac to Oberursel | 536.64 mi (863.63 km) |
| Gaillac to Ochsenfurt | 553.64 mi (891.00 km) |
| Gaillac to Ochsenhausen | 481.68 mi (775.19 km) |
| Gaillac to Ochtrup | 623.29 mi (1,003.09 km) |
| Gaillac to Odenthal | 549.46 mi (884.28 km) |
| Gaillac to Oelde | 619.44 mi (996.89 km) |
| Gaillac to Oelsnitz | 658.76 mi (1,060.18 km) |
| Gaillac to Oer-Erkenschwick | 589.43 mi (948.60 km) |
| Gaillac to Oerlinghausen | 638.71 mi (1,027.90 km) |
