| Gourock to Clacton-on-Sea | 376.15 mi (605.36 km) |
| Gourock to Clay Cross | 236.09 mi (379.95 km) |
| Gourock to Clayton | 191.75 mi (308.59 km) |
| Gourock to Clayton le Moors | 178.93 mi (287.96 km) |
| Gourock to Cleckheaton | 197.22 mi (317.40 km) |
| Gourock to Cleethorpes | 253.03 mi (407.21 km) |
| Gourock to Clevedon | 322.15 mi (518.45 km) |
| Gourock to Clifton | 256.46 mi (412.73 km) |
| Gourock to Clifton | 201.23 mi (323.85 km) |
| Gourock to Cliftonville | 405.10 mi (651.95 km) |
| Gourock to Clitheroe | 173.15 mi (278.66 km) |
| Gourock to Clydebank | 16.56 mi (26.65 km) |
| Gourock to Coalville | 262.78 mi (422.90 km) |
| Gourock to Coatbridge | 31.27 mi (50.32 km) |
| Gourock to Cobham | 366.86 mi (590.40 km) |
