| Castelnaudary to Cookeville (Tennessee) | 4,455.82 mi (7,170.95 km) |
| Castelnaudary to Coolidge (Arizona) | 5,703.39 mi (9,178.72 km) |
| Castelnaudary to Coon Rapids (Minnesota) | 4,416.80 mi (7,108.15 km) |
| Castelnaudary to Cooper City (Florida) | 4,634.54 mi (7,458.57 km) |
| Castelnaudary to Coos Bay (Oregon) | 5,586.38 mi (8,990.42 km) |
| Castelnaudary to Copiague (New York) | 3,736.32 mi (6,013.02 km) |
| Castelnaudary to Coppell (Texas) | 5,101.60 mi (8,210.23 km) |
| Castelnaudary to Copperas Cove (Texas) | 5,227.01 mi (8,412.06 km) |
| Castelnaudary to Coral Gables (Florida) | 4,648.58 mi (7,481.16 km) |
| Castelnaudary to Coral Springs (Florida) | 4,623.60 mi (7,440.97 km) |
| Castelnaudary to Coral Terrace (Florida) | 4,648.36 mi (7,480.81 km) |
| Castelnaudary to Coralville (Iowa) | 4,490.58 mi (7,226.89 km) |
| Castelnaudary to Coram (New York) | 3,711.56 mi (5,973.18 km) |
| Castelnaudary to Corcoran (California) | 5,834.93 mi (9,390.42 km) |
| Castelnaudary to Cordele (Georgia) | 4,549.74 mi (7,322.09 km) |
