| Portchester to Clacton-on-Sea | 117.80 mi (189.59 km) |
| Portchester to Clay Cross | 160.90 mi (258.94 km) |
| Portchester to Clayton | 205.23 mi (330.29 km) |
| Portchester to Clayton le Moors | 209.56 mi (337.25 km) |
| Portchester to Cleckheaton | 200.80 mi (323.15 km) |
| Portchester to Cleethorpes | 193.02 mi (310.63 km) |
| Portchester to Clevedon | 85.71 mi (137.93 km) |
| Portchester to Clifton | 142.49 mi (229.32 km) |
| Portchester to Clifton | 216.27 mi (348.05 km) |
| Portchester to Cliftonville | 115.81 mi (186.38 km) |
| Portchester to Clitheroe | 216.05 mi (347.70 km) |
| Portchester to Clydebank | 374.60 mi (602.86 km) |
| Portchester to Coalville | 130.47 mi (209.97 km) |
| Portchester to Coatbridge | 366.93 mi (590.51 km) |
| Portchester to Cobham | 45.66 mi (73.48 km) |
