| Gardendale to Oberkirch | 4,724.66 mi (7,603.60 km) |
| Gardendale to Obernburg am Main | 4,726.28 mi (7,606.21 km) |
| Gardendale to Obernkirchen | 4,650.17 mi (7,483.73 km) |
| Gardendale to Oberschleissheim | 4,874.93 mi (7,845.43 km) |
| Gardendale to Oberstdorf | 4,850.69 mi (7,806.44 km) |
| Gardendale to Obertraubling | 4,874.69 mi (7,845.05 km) |
| Gardendale to Obertshausen | 4,706.97 mi (7,575.13 km) |
| Gardendale to Oberursel | 4,692.58 mi (7,551.98 km) |
| Gardendale to Ochsenfurt | 4,768.99 mi (7,674.95 km) |
| Gardendale to Ochsenhausen | 4,815.38 mi (7,749.61 km) |
| Gardendale to Ochtrup | 4,578.40 mi (7,368.23 km) |
| Gardendale to Odenthal | 4,609.93 mi (7,418.96 km) |
| Gardendale to Oelde | 4,626.29 mi (7,445.29 km) |
| Gardendale to Oelsnitz | 4,825.92 mi (7,766.57 km) |
| Gardendale to Oer-Erkenschwick | 4,597.22 mi (7,398.50 km) |
