| Huntersville to Orbetello | 4,721.88 mi (7,599.13 km) |
| Huntersville to Oria | 5,075.92 mi (8,168.90 km) |
| Huntersville to Oristano | 4,685.82 mi (7,541.11 km) |
| Huntersville to Orta Nova | 4,960.42 mi (7,983.02 km) |
| Huntersville to Orte | 4,773.46 mi (7,682.14 km) |
| Huntersville to Ortona | 4,866.27 mi (7,831.51 km) |
| Huntersville to Orvieto | 4,752.50 mi (7,648.41 km) |
| Huntersville to Orzinuovi | 4,569.91 mi (7,354.56 km) |
| Huntersville to Osimo | 4,786.87 mi (7,703.73 km) |
| Huntersville to Ospitaletto | 4,571.09 mi (7,356.45 km) |
| Huntersville to Ostuni | 5,065.00 mi (8,151.32 km) |
| Huntersville to Ottaviano | 4,922.74 mi (7,922.39 km) |
| Huntersville to Ovada | 4,537.47 mi (7,302.36 km) |
| Huntersville to Ozieri | 4,682.68 mi (7,536.05 km) |
| Huntersville to Paceco | 4,936.35 mi (7,944.30 km) |
