| Castleford to Castle Rock (Colorado) | 4,569.31 mi (7,353.59 km) |
| Castleford to Castro Valley (California) | 5,201.85 mi (8,371.56 km) |
| Castleford to Catalina Foothills (Arizona) | 5,162.40 mi (8,308.08 km) |
| Castleford to Cataño (Puerto Rico) | 4,172.58 mi (6,715.11 km) |
| Castleford to Cathedral City (California) | 5,257.84 mi (8,461.68 km) |
| Castleford to Catonsville (Maryland) | 3,541.77 mi (5,699.93 km) |
| Castleford to Cave Spring (Virginia) | 3,767.18 mi (6,062.69 km) |
| Castleford to Cayce (South Carolina) | 3,969.48 mi (6,388.27 km) |
| Castleford to Cayey (Puerto Rico) | 4,190.91 mi (6,744.62 km) |
| Castleford to Cedar City (Utah) | 4,931.86 mi (7,937.06 km) |
| Castleford to Cedar Falls (Iowa) | 3,976.92 mi (6,400.23 km) |
| Castleford to Cedar Hill (Texas) | 4,652.21 mi (7,487.00 km) |
| Castleford to Cedar Lake (Indiana) | 3,850.55 mi (6,196.86 km) |
| Castleford to Cedar Mill (Oregon) | 4,764.55 mi (7,667.81 km) |
| Castleford to Cedar Park (Texas) | 4,795.02 mi (7,716.83 km) |
