| Castrovillari to Orangevale (California) | 6,381.59 mi (10,270.18 km) |
| Castrovillari to Orchards (Washington) | 6,000.91 mi (9,657.52 km) |
| Castrovillari to Orcutt (California) | 6,583.00 mi (10,594.31 km) |
| Castrovillari to Oregon (Ohio) | 4,888.97 mi (7,868.03 km) |
| Castrovillari to Oregon (Wisconsin) | 5,074.51 mi (8,166.63 km) |
| Castrovillari to Oregon City (Oregon) | 6,023.10 mi (9,693.24 km) |
| Castrovillari to Orem (Utah) | 6,003.37 mi (9,661.49 km) |
| Castrovillari to Orinda (California) | 6,456.18 mi (10,390.21 km) |
| Castrovillari to Orland Park (Illinois) | 5,071.58 mi (8,161.92 km) |
| Castrovillari to Orlando (Florida) | 5,353.43 mi (8,615.52 km) |
| Castrovillari to Ormond Beach (Florida) | 5,306.88 mi (8,540.60 km) |
| Castrovillari to Oro Valley (Arizona) | 6,410.45 mi (10,316.62 km) |
| Castrovillari to Oroville (California) | 6,343.15 mi (10,208.31 km) |
| Castrovillari to Oshkosh (Wisconsin) | 4,994.48 mi (8,037.84 km) |
| Castrovillari to Oskaloosa (Iowa) | 5,274.47 mi (8,488.44 km) |
