| Katy to Crawfordsville (Indiana) | 869.67 mi (1,399.61 km) |
| Katy to Crest Hill (Illinois) | 921.27 mi (1,482.64 km) |
| Katy to Crestview (Florida) | 556.17 mi (895.06 km) |
| Katy to Crestwood (Illinois) | 935.50 mi (1,505.54 km) |
| Katy to Crestwood (Missouri) | 680.96 mi (1,095.90 km) |
| Katy to Creve Coeur (Missouri) | 685.67 mi (1,103.48 km) |
| Katy to Crofton (Maryland) | 1,260.50 mi (2,028.58 km) |
| Katy to Crossville (Tennessee) | 757.16 mi (1,218.53 km) |
| Katy to Crowley (Louisiana) | 209.11 mi (336.54 km) |
| Katy to Crowley (Texas) | 212.60 mi (342.15 km) |
| Katy to Crown Point (Indiana) | 932.92 mi (1,501.40 km) |
| Katy to Crystal (Minnesota) | 1,062.06 mi (1,709.22 km) |
| Katy to Crystal Lake (Illinois) | 955.48 mi (1,537.70 km) |
| Katy to Cudahy (California) | 1,339.63 mi (2,155.92 km) |
| Katy to Cudahy (Wisconsin) | 1,010.24 mi (1,625.82 km) |
