| Castricum to Crest Hill (Illinois) | 4,123.91 mi (6,636.79 km) |
| Castricum to Crestview (Florida) | 4,612.93 mi (7,423.79 km) |
| Castricum to Crestwood (Illinois) | 4,106.76 mi (6,609.19 km) |
| Castricum to Crestwood (Missouri) | 4,357.25 mi (7,012.31 km) |
| Castricum to Creve Coeur (Missouri) | 4,354.30 mi (7,007.56 km) |
| Castricum to Crofton (Maryland) | 3,813.31 mi (6,136.93 km) |
| Castricum to Crossville (Tennessee) | 4,287.19 mi (6,899.57 km) |
| Castricum to Crowley (Louisiana) | 4,865.51 mi (7,830.28 km) |
| Castricum to Crowley (Texas) | 4,925.94 mi (7,927.53 km) |
| Castricum to Crown Point (Indiana) | 4,103.69 mi (6,604.25 km) |
| Castricum to Crystal (Minnesota) | 4,137.68 mi (6,658.95 km) |
| Castricum to Crystal Lake (Illinois) | 4,099.58 mi (6,597.64 km) |
| Castricum to Cudahy (California) | 5,542.35 mi (8,919.56 km) |
| Castricum to Cudahy (Wisconsin) | 4,047.83 mi (6,514.35 km) |
| Castricum to Cullman (Alabama) | 4,446.75 mi (7,156.35 km) |
