| Castelnaudary to Clarkston (Georgia) | 4,494.26 mi (7,232.82 km) |
| Castelnaudary to Clarksville (Indiana) | 4,379.00 mi (7,047.32 km) |
| Castelnaudary to Clarksville (Tennessee) | 4,520.23 mi (7,274.60 km) |
| Castelnaudary to Clawson (Michigan) | 4,101.74 mi (6,601.12 km) |
| Castelnaudary to Clay (Alabama) | 4,607.50 mi (7,415.06 km) |
| Castelnaudary to Clayton (California) | 5,814.23 mi (9,357.10 km) |
| Castelnaudary to Clayton (Missouri) | 4,564.31 mi (7,345.54 km) |
| Castelnaudary to Clayton (North Carolina) | 4,152.52 mi (6,682.84 km) |
| Castelnaudary to Clayton (Ohio) | 4,254.55 mi (6,847.03 km) |
| Castelnaudary to Clearfield (Utah) | 5,306.87 mi (8,540.59 km) |
| Castelnaudary to Clearlake (California) | 5,781.20 mi (9,303.95 km) |
| Castelnaudary to Clearwater (Florida) | 4,670.89 mi (7,517.08 km) |
| Castelnaudary to Cleburne (Texas) | 5,147.95 mi (8,284.83 km) |
| Castelnaudary to Clemmons (North Carolina) | 4,227.47 mi (6,803.46 km) |
| Castelnaudary to Clemson (South Carolina) | 4,392.87 mi (7,069.64 km) |
