| Gardony to Oerlinghausen | 553.25 mi (890.38 km) |
| Gardony to Oestrich-Winkel | 521.43 mi (839.16 km) |
| Gardony to Offenburg | 502.45 mi (808.61 km) |
| Gardony to Oftersheim | 484.30 mi (779.41 km) |
| Gardony to Ohrdruf | 435.90 mi (701.51 km) |
| Gardony to Ohringen | 441.41 mi (710.39 km) |
| Gardony to Olbernhau | 338.67 mi (545.04 km) |
| Gardony to Olching | 345.97 mi (556.79 km) |
| Gardony to Oldenburg | 615.71 mi (990.88 km) |
| Gardony to Oldenburg in Holstein | 594.98 mi (957.53 km) |
| Gardony to Olfen | 592.08 mi (952.85 km) |
| Gardony to Olpe | 553.51 mi (890.78 km) |
| Gardony to Olsberg | 538.44 mi (866.53 km) |
| Gardony to Oranienburg | 451.83 mi (727.15 km) |
| Gardony to Ortenberg | 486.18 mi (782.43 km) |
