| Katy to Clacton-on-Sea | 4,907.36 mi (7,897.64 km) |
| Katy to Clay Cross | 4,771.04 mi (7,678.25 km) |
| Katy to Clayton | 4,739.85 mi (7,628.05 km) |
| Katy to Clayton le Moors | 4,718.34 mi (7,593.43 km) |
| Katy to Cleckheaton | 4,744.89 mi (7,636.16 km) |
| Katy to Cleethorpes | 4,813.72 mi (7,746.93 km) |
| Katy to Clevedon | 4,759.02 mi (7,658.91 km) |
| Katy to Clifton | 4,786.90 mi (7,703.77 km) |
| Katy to Clifton | 4,762.02 mi (7,663.74 km) |
| Katy to Cliftonville | 4,929.05 mi (7,932.54 km) |
| Katy to Clitheroe | 4,715.65 mi (7,589.10 km) |
| Katy to Clydebank | 4,592.66 mi (7,391.18 km) |
| Katy to Coalville | 4,784.21 mi (7,699.44 km) |
| Katy to Coatbridge | 4,607.21 mi (7,414.58 km) |
| Katy to Cobham | 4,859.26 mi (7,820.23 km) |
