| Rocky Mount to Orbetello | 4,560.77 mi (7,339.85 km) |
| Rocky Mount to Oria | 4,915.82 mi (7,911.25 km) |
| Rocky Mount to Oristano | 4,520.68 mi (7,275.34 km) |
| Rocky Mount to Orta Nova | 4,800.25 mi (7,725.25 km) |
| Rocky Mount to Orte | 4,612.94 mi (7,423.81 km) |
| Rocky Mount to Ortona | 4,706.64 mi (7,574.60 km) |
| Rocky Mount to Orvieto | 4,592.16 mi (7,390.37 km) |
| Rocky Mount to Orzinuovi | 4,411.98 mi (7,100.40 km) |
| Rocky Mount to Osimo | 4,628.17 mi (7,448.33 km) |
| Rocky Mount to Ospitaletto | 4,413.43 mi (7,102.73 km) |
| Rocky Mount to Ostuni | 4,905.14 mi (7,894.07 km) |
| Rocky Mount to Ottaviano | 4,761.38 mi (7,662.70 km) |
| Rocky Mount to Ovada | 4,377.93 mi (7,045.60 km) |
| Rocky Mount to Ozieri | 4,518.44 mi (7,271.73 km) |
| Rocky Mount to Paceco | 4,771.00 mi (7,678.19 km) |
