| Wilmington to Oberkirch | 4,327.09 mi (6,963.77 km) |
| Wilmington to Obernburg am Main | 4,338.02 mi (6,981.36 km) |
| Wilmington to Obernkirchen | 4,276.51 mi (6,882.37 km) |
| Wilmington to Oberschleissheim | 4,481.93 mi (7,212.98 km) |
| Wilmington to Oberstdorf | 4,450.73 mi (7,162.75 km) |
| Wilmington to Obertraubling | 4,486.82 mi (7,220.84 km) |
| Wilmington to Obertshausen | 4,319.51 mi (6,951.58 km) |
| Wilmington to Oberursel | 4,305.50 mi (6,929.04 km) |
| Wilmington to Ochsenfurt | 4,381.23 mi (7,050.91 km) |
| Wilmington to Ochsenhausen | 4,418.46 mi (7,110.83 km) |
| Wilmington to Ochtrup | 4,201.27 mi (6,761.29 km) |
| Wilmington to Odenthal | 4,225.44 mi (6,800.18 km) |
| Wilmington to Oelde | 4,248.36 mi (6,837.07 km) |
| Wilmington to Oelsnitz | 4,446.40 mi (7,155.79 km) |
| Wilmington to Oer-Erkenschwick | 4,216.67 mi (6,786.07 km) |
