| Castricum to Cottage Grove (Oregon) | 5,091.25 mi (8,193.58 km) |
| Castricum to Cottage Lake (Washington) | 4,832.31 mi (7,776.85 km) |
| Castricum to Cottonwood (Arizona) | 5,308.44 mi (8,543.11 km) |
| Castricum to Cottonwood Heights (Utah) | 4,966.64 mi (7,993.03 km) |
| Castricum to Council Bluffs (Iowa) | 4,415.52 mi (7,106.10 km) |
| Castricum to Country Club (Florida) | 4,610.21 mi (7,419.42 km) |
| Castricum to Country Club Hills (Illinois) | 4,110.23 mi (6,614.78 km) |
| Castricum to Country Walk (Florida) | 4,631.33 mi (7,453.41 km) |
| Castricum to Covina (California) | 5,525.89 mi (8,893.05 km) |
| Castricum to Covington (Georgia) | 4,359.37 mi (7,015.74 km) |
| Castricum to Covington (Kentucky) | 4,114.90 mi (6,622.30 km) |
| Castricum to Covington (Louisiana) | 4,764.58 mi (7,667.85 km) |
| Castricum to Covington (Washington) | 4,855.46 mi (7,814.11 km) |
| Castricum to Cranston (Rhode Island) | 3,482.70 mi (5,604.87 km) |
| Castricum to Crawfordsville (Indiana) | 4,154.53 mi (6,686.07 km) |
