| Gardony to Oberkirch | 496.14 mi (798.45 km) |
| Gardony to Obernburg am Main | 469.77 mi (756.02 km) |
| Gardony to Obernkirchen | 549.08 mi (883.67 km) |
| Gardony to Oberschleissheim | 335.18 mi (539.42 km) |
| Gardony to Oberstdorf | 390.37 mi (628.24 km) |
| Gardony to Obertraubling | 321.36 mi (517.18 km) |
| Gardony to Obertshausen | 487.95 mi (785.29 km) |
| Gardony to Oberursel | 501.89 mi (807.71 km) |
| Gardony to Ochsenfurt | 426.45 mi (686.31 km) |
| Gardony to Ochsenhausen | 407.53 mi (655.85 km) |
| Gardony to Ochtrup | 615.44 mi (990.46 km) |
| Gardony to Odenthal | 582.54 mi (937.50 km) |
| Gardony to Oelde | 567.24 mi (912.89 km) |
| Gardony to Oelsnitz | 367.78 mi (591.88 km) |
| Gardony to Oer-Erkenschwick | 594.80 mi (957.23 km) |
