| Katy to Commerce (California) | 1,338.11 mi (2,153.48 km) |
| Katy to Commerce City (Colorado) | 862.34 mi (1,387.80 km) |
| Katy to Compton (California) | 1,341.64 mi (2,159.16 km) |
| Katy to Comstock Park (Michigan) | 1,073.98 mi (1,728.41 km) |
| Katy to Concord (California) | 1,597.18 mi (2,570.41 km) |
| Katy to Concord (Missouri) | 678.77 mi (1,092.38 km) |
| Katy to Concord (New Hampshire) | 1,627.24 mi (2,618.79 km) |
| Katy to Concord (North Carolina) | 964.32 mi (1,551.92 km) |
| Katy to Conneaut (Ohio) | 1,193.97 mi (1,921.50 km) |
| Katy to Connersville (Indiana) | 911.64 mi (1,467.14 km) |
| Katy to Conroe (Texas) | 42.46 mi (68.34 km) |
| Katy to Converse (Texas) | 149.77 mi (241.02 km) |
| Katy to Conway (Arkansas) | 414.49 mi (667.05 km) |
| Katy to Conway (Florida) | 879.21 mi (1,414.95 km) |
| Katy to Conway (South Carolina) | 1,023.47 mi (1,647.11 km) |
