| Reidsville to Orbetello | 4,629.51 mi (7,450.48 km) |
| Reidsville to Oria | 4,983.39 mi (8,020.00 km) |
| Reidsville to Oristano | 4,594.27 mi (7,393.76 km) |
| Reidsville to Orta Nova | 4,867.91 mi (7,834.14 km) |
| Reidsville to Orte | 4,681.00 mi (7,533.34 km) |
| Reidsville to Ortona | 4,773.70 mi (7,682.53 km) |
| Reidsville to Orvieto | 4,660.02 mi (7,499.58 km) |
| Reidsville to Orzinuovi | 4,477.17 mi (7,205.31 km) |
| Reidsville to Osimo | 4,694.20 mi (7,554.58 km) |
| Reidsville to Ospitaletto | 4,478.32 mi (7,207.16 km) |
| Reidsville to Ostuni | 4,972.44 mi (8,002.37 km) |
| Reidsville to Ottaviano | 4,830.40 mi (7,773.78 km) |
| Reidsville to Ovada | 4,444.90 mi (7,153.37 km) |
| Reidsville to Ozieri | 4,590.90 mi (7,388.34 km) |
| Reidsville to Paceco | 4,844.84 mi (7,797.02 km) |
