| Challans to Caguas (Puerto Rico) | 4,093.39 mi (6,587.68 km) |
| Challans to Cahokia (Illinois) | 4,278.53 mi (6,885.64 km) |
| Challans to Calabasas (California) | 5,605.37 mi (9,020.98 km) |
| Challans to Caldwell (Idaho) | 5,028.53 mi (8,092.63 km) |
| Challans to Caledonia (Wisconsin) | 4,003.85 mi (6,443.58 km) |
| Challans to Calera (Alabama) | 4,370.96 mi (7,034.39 km) |
| Challans to Calexico (California) | 5,568.84 mi (8,962.18 km) |
| Challans to Calhoun (Georgia) | 4,230.90 mi (6,808.98 km) |
| Challans to California (Maryland) | 3,698.05 mi (5,951.44 km) |
| Challans to California City (California) | 5,522.00 mi (8,886.79 km) |
| Challans to Callaway (Florida) | 4,452.72 mi (7,165.96 km) |
| Challans to Calumet City (Illinois) | 4,039.33 mi (6,500.67 km) |
| Challans to Calverton (Maryland) | 3,688.21 mi (5,935.61 km) |
| Challans to Camano (Washington) | 4,963.72 mi (7,988.33 km) |
| Challans to Camarillo (California) | 5,613.53 mi (9,034.10 km) |
