| Roanoke to Oberkirch | 4,273.00 mi (6,876.72 km) |
| Roanoke to Obernburg am Main | 4,277.10 mi (6,883.33 km) |
| Roanoke to Obernkirchen | 4,205.35 mi (6,767.85 km) |
| Roanoke to Oberschleissheim | 4,424.57 mi (7,120.66 km) |
| Roanoke to Oberstdorf | 4,398.53 mi (7,078.75 km) |
| Roanoke to Obertraubling | 4,425.75 mi (7,122.56 km) |
| Roanoke to Obertshausen | 4,258.01 mi (6,852.60 km) |
| Roanoke to Oberursel | 4,243.71 mi (6,829.60 km) |
| Roanoke to Ochsenfurt | 4,320.00 mi (6,952.36 km) |
| Roanoke to Ochsenhausen | 4,363.95 mi (7,023.10 km) |
| Roanoke to Ochtrup | 4,132.40 mi (6,650.46 km) |
| Roanoke to Odenthal | 4,161.73 mi (6,697.66 km) |
| Roanoke to Oelde | 4,180.09 mi (6,727.20 km) |
| Roanoke to Oelsnitz | 4,379.42 mi (7,048.00 km) |
| Roanoke to Oer-Erkenschwick | 4,150.18 mi (6,679.07 km) |
