| Roanoke Rapids to Oberkirch | 4,214.79 mi (6,783.04 km) |
| Roanoke Rapids to Obernburg am Main | 4,222.65 mi (6,795.70 km) |
| Roanoke Rapids to Obernkirchen | 4,156.64 mi (6,689.47 km) |
| Roanoke Rapids to Oberschleissheim | 4,368.24 mi (7,030.00 km) |
| Roanoke Rapids to Oberstdorf | 4,339.36 mi (6,983.53 km) |
| Roanoke Rapids to Obertraubling | 4,371.46 mi (7,035.19 km) |
| Roanoke Rapids to Obertshausen | 4,203.87 mi (6,765.48 km) |
| Roanoke Rapids to Oberursel | 4,189.73 mi (6,742.72 km) |
| Roanoke Rapids to Ochsenfurt | 4,265.75 mi (6,865.06 km) |
| Roanoke Rapids to Ochsenhausen | 4,306.02 mi (6,929.87 km) |
| Roanoke Rapids to Ochtrup | 4,082.34 mi (6,569.90 km) |
| Roanoke Rapids to Odenthal | 4,108.77 mi (6,612.43 km) |
| Roanoke Rapids to Oelde | 4,129.72 mi (6,646.14 km) |
| Roanoke Rapids to Oelsnitz | 4,328.43 mi (6,965.93 km) |
| Roanoke Rapids to Oer-Erkenschwick | 4,098.79 mi (6,596.36 km) |
