| Grafton to Oberkirch | 4,310.57 mi (6,937.19 km) |
| Grafton to Obernburg am Main | 4,297.43 mi (6,916.05 km) |
| Grafton to Obernkirchen | 4,201.03 mi (6,760.90 km) |
| Grafton to Oberschleissheim | 4,450.98 mi (7,163.16 km) |
| Grafton to Oberstdorf | 4,438.38 mi (7,142.88 km) |
| Grafton to Obertraubling | 4,442.79 mi (7,149.98 km) |
| Grafton to Obertshausen | 4,277.22 mi (6,883.52 km) |
| Grafton to Oberursel | 4,262.50 mi (6,859.84 km) |
| Grafton to Ochsenfurt | 4,338.67 mi (6,982.41 km) |
| Grafton to Ochsenhausen | 4,398.69 mi (7,079.00 km) |
| Grafton to Ochtrup | 4,135.45 mi (6,655.37 km) |
| Grafton to Odenthal | 4,177.33 mi (6,722.76 km) |
| Grafton to Oelde | 4,183.68 mi (6,732.98 km) |
| Grafton to Oelsnitz | 4,382.35 mi (7,052.71 km) |
| Grafton to Oer-Erkenschwick | 4,158.94 mi (6,693.17 km) |
