| Asheville to Orbetello | 4,789.70 mi (7,708.28 km) |
| Asheville to Oria | 5,142.69 mi (8,276.36 km) |
| Asheville to Oristano | 4,757.50 mi (7,656.46 km) |
| Asheville to Orta Nova | 5,027.29 mi (8,090.64 km) |
| Asheville to Orte | 4,840.72 mi (7,790.38 km) |
| Asheville to Ortona | 4,932.70 mi (7,938.42 km) |
| Asheville to Orvieto | 4,819.61 mi (7,756.41 km) |
| Asheville to Orzinuovi | 4,634.94 mi (7,459.22 km) |
| Asheville to Osimo | 4,852.50 mi (7,809.34 km) |
| Asheville to Ospitaletto | 4,635.87 mi (7,460.71 km) |
| Asheville to Ostuni | 5,131.55 mi (8,258.44 km) |
| Asheville to Ottaviano | 4,990.73 mi (8,031.80 km) |
| Asheville to Ovada | 4,603.94 mi (7,409.32 km) |
| Asheville to Ozieri | 4,753.47 mi (7,649.98 km) |
| Asheville to Paceco | 5,008.17 mi (8,059.88 km) |
