| Castricum to Clarkston (Georgia) | 4,364.35 mi (7,023.74 km) |
| Castricum to Clarksville (Indiana) | 4,197.25 mi (6,754.82 km) |
| Castricum to Clarksville (Tennessee) | 4,344.48 mi (6,991.77 km) |
| Castricum to Clawson (Michigan) | 3,895.01 mi (6,268.41 km) |
| Castricum to Clay (Alabama) | 4,462.43 mi (7,181.59 km) |
| Castricum to Clayton (California) | 5,412.33 mi (8,710.30 km) |
| Castricum to Clayton (Missouri) | 4,351.05 mi (7,002.34 km) |
| Castricum to Clayton (North Carolina) | 4,044.20 mi (6,508.51 km) |
| Castricum to Clayton (Ohio) | 4,067.05 mi (6,545.28 km) |
| Castricum to Clearfield (Utah) | 4,945.19 mi (7,958.51 km) |
| Castricum to Clearlake (California) | 5,370.15 mi (8,642.42 km) |
| Castricum to Clearwater (Florida) | 4,604.25 mi (7,409.82 km) |
| Castricum to Cleburne (Texas) | 4,939.91 mi (7,950.02 km) |
| Castricum to Clemmons (North Carolina) | 4,102.50 mi (6,602.34 km) |
| Castricum to Clemson (South Carolina) | 4,264.58 mi (6,863.18 km) |
