| Portchester to Cromer | 177.46 mi (285.60 km) |
| Portchester to Crosby | 199.95 mi (321.78 km) |
| Portchester to Crowborough | 57.71 mi (92.88 km) |
| Portchester to Croxley Green | 62.82 mi (101.09 km) |
| Portchester to Croydon | 57.14 mi (91.95 km) |
| Portchester to Cudworth | 189.48 mi (304.94 km) |
| Portchester to Culcheth | 189.85 mi (305.53 km) |
| Portchester to Cullercoats | 289.86 mi (466.49 km) |
| Portchester to Cumbernauld | 371.85 mi (598.44 km) |
| Portchester to Cumnock | 344.10 mi (553.78 km) |
| Portchester to Cupar | 386.31 mi (621.71 km) |
| Portchester to Cwmbran | 99.49 mi (160.12 km) |
| Portchester to Dagenham | 72.88 mi (117.28 km) |
| Portchester to Dalkeith | 358.17 mi (576.42 km) |
| Portchester to Darfield | 186.60 mi (300.31 km) |
