| Castricum to Chantilly (Virginia) | 3,849.37 mi (6,194.96 km) |
| Castricum to Chaparral (New Mexico) | 5,275.67 mi (8,490.37 km) |
| Castricum to Chapel Hill (North Carolina) | 4,054.48 mi (6,525.06 km) |
| Castricum to Charleston (Illinois) | 4,229.60 mi (6,806.89 km) |
| Castricum to Charleston (South Carolina) | 4,245.33 mi (6,832.19 km) |
| Castricum to Charleston (West Virginia) | 4,038.04 mi (6,498.60 km) |
| Castricum to Charlotte (North Carolina) | 4,160.57 mi (6,695.79 km) |
| Castricum to Charlottesville (Virginia) | 3,930.59 mi (6,325.67 km) |
| Castricum to Chaska (Minnesota) | 4,157.14 mi (6,690.28 km) |
| Castricum to Chatham (Illinois) | 4,275.85 mi (6,881.31 km) |
| Castricum to Chattanooga (Tennessee) | 4,340.20 mi (6,984.87 km) |
| Castricum to Cheat Lake (West Virginia) | 3,906.17 mi (6,286.38 km) |
| Castricum to Chelsea (Alabama) | 4,482.11 mi (7,213.27 km) |
| Castricum to Chelsea (Massachusetts) | 3,437.00 mi (5,531.31 km) |
| Castricum to Cheney (Washington) | 4,735.05 mi (7,620.33 km) |
