| Portishead to Clacton-on-Sea | 168.92 mi (271.84 km) |
| Portishead to Clay Cross | 129.29 mi (208.08 km) |
| Portishead to Clayton | 163.68 mi (263.42 km) |
| Portishead to Clayton le Moors | 159.09 mi (256.02 km) |
| Portishead to Cleckheaton | 160.91 mi (258.95 km) |
| Portishead to Cleethorpes | 183.61 mi (295.49 km) |
| Portishead to Clevedon | 5.06 mi (8.14 km) |
| Portishead to Clifton | 118.89 mi (191.33 km) |
| Portishead to Clifton | 185.47 mi (298.49 km) |
| Portishead to Cliftonville | 179.59 mi (289.02 km) |
| Portishead to Clitheroe | 165.66 mi (266.61 km) |
| Portishead to Clydebank | 312.34 mi (502.67 km) |
| Portishead to Coalville | 104.10 mi (167.54 km) |
| Portishead to Coatbridge | 306.90 mi (493.91 km) |
| Portishead to Cobham | 102.00 mi (164.15 km) |
