| Roanoke Rapids to Orbetello | 4,534.41 mi (7,297.43 km) |
| Roanoke Rapids to Oria | 4,889.18 mi (7,868.37 km) |
| Roanoke Rapids to Oristano | 4,495.68 mi (7,235.10 km) |
| Roanoke Rapids to Orta Nova | 4,773.62 mi (7,682.40 km) |
| Roanoke Rapids to Orte | 4,586.41 mi (7,381.11 km) |
| Roanoke Rapids to Ortona | 4,679.86 mi (7,531.50 km) |
| Roanoke Rapids to Orvieto | 4,565.58 mi (7,347.59 km) |
| Roanoke Rapids to Orzinuovi | 4,384.72 mi (7,056.53 km) |
| Roanoke Rapids to Osimo | 4,601.13 mi (7,404.80 km) |
| Roanoke Rapids to Ospitaletto | 4,386.10 mi (7,058.75 km) |
| Roanoke Rapids to Ostuni | 4,878.43 mi (7,851.08 km) |
| Roanoke Rapids to Ottaviano | 4,735.11 mi (7,620.42 km) |
| Roanoke Rapids to Ovada | 4,351.11 mi (7,002.43 km) |
| Roanoke Rapids to Ozieri | 4,493.11 mi (7,230.96 km) |
| Roanoke Rapids to Paceco | 4,746.09 mi (7,638.09 km) |
