| Castelnau-le-Lez to Orangevale (California) | 5,796.60 mi (9,328.72 km) |
| Castelnau-le-Lez to Orchards (Washington) | 5,447.29 mi (8,766.56 km) |
| Castelnau-le-Lez to Orcutt (California) | 5,981.91 mi (9,626.95 km) |
| Castelnau-le-Lez to Oregon (Ohio) | 4,219.30 mi (6,790.31 km) |
| Castelnau-le-Lez to Oregon (Wisconsin) | 4,416.75 mi (7,108.08 km) |
| Castelnau-le-Lez to Oregon City (Oregon) | 5,468.38 mi (8,800.51 km) |
| Castelnau-le-Lez to Orem (Utah) | 5,389.69 mi (8,673.87 km) |
| Castelnau-le-Lez to Orinda (California) | 5,872.30 mi (9,450.56 km) |
| Castelnau-le-Lez to Orland Park (Illinois) | 4,407.84 mi (7,093.73 km) |
| Castelnau-le-Lez to Orlando (Florida) | 4,667.40 mi (7,511.46 km) |
| Castelnau-le-Lez to Ormond Beach (Florida) | 4,620.90 mi (7,436.62 km) |
| Castelnau-le-Lez to Oro Valley (Arizona) | 5,770.24 mi (9,286.31 km) |
| Castelnau-le-Lez to Oroville (California) | 5,762.40 mi (9,273.69 km) |
| Castelnau-le-Lez to Oshkosh (Wisconsin) | 4,338.61 mi (6,982.32 km) |
| Castelnau-le-Lez to Oskaloosa (Iowa) | 4,617.63 mi (7,431.36 km) |
