| Castelnaudary to Orangevale (California) | 5,749.84 mi (9,253.48 km) |
| Castelnaudary to Orchards (Washington) | 5,408.53 mi (8,704.18 km) |
| Castelnaudary to Orcutt (California) | 5,930.84 mi (9,544.76 km) |
| Castelnaudary to Oregon (Ohio) | 4,147.04 mi (6,674.01 km) |
| Castelnaudary to Oregon (Wisconsin) | 4,349.54 mi (6,999.91 km) |
| Castelnaudary to Oregon City (Oregon) | 5,429.33 mi (8,737.67 km) |
| Castelnaudary to Orem (Utah) | 5,335.88 mi (8,587.28 km) |
| Castelnaudary to Orinda (California) | 5,825.73 mi (9,375.61 km) |
| Castelnaudary to Orland Park (Illinois) | 4,338.15 mi (6,981.58 km) |
| Castelnaudary to Orlando (Florida) | 4,581.40 mi (7,373.04 km) |
| Castelnaudary to Ormond Beach (Florida) | 4,535.40 mi (7,299.03 km) |
| Castelnaudary to Oro Valley (Arizona) | 5,708.17 mi (9,186.41 km) |
| Castelnaudary to Oroville (California) | 5,716.75 mi (9,200.22 km) |
| Castelnaudary to Oshkosh (Wisconsin) | 4,272.19 mi (6,875.43 km) |
| Castelnaudary to Oskaloosa (Iowa) | 4,550.62 mi (7,323.52 km) |
