| Portchester to Cosham | 2.36 mi (3.79 km) |
| Portchester to Costessey | 160.50 mi (258.30 km) |
| Portchester to Cottingham | 205.32 mi (330.44 km) |
| Portchester to Coulsdon | 53.95 mi (86.82 km) |
| Portchester to Coventry | 109.50 mi (176.22 km) |
| Portchester to Cowdenbeath | 375.31 mi (604.00 km) |
| Portchester to Cowes | 9.72 mi (15.64 km) |
| Portchester to Cowley | 54.88 mi (88.33 km) |
| Portchester to Cowley | 61.70 mi (99.29 km) |
| Portchester to Cramlington | 293.59 mi (472.49 km) |
| Portchester to Cranleigh | 34.53 mi (55.57 km) |
| Portchester to Crawley | 44.58 mi (71.75 km) |
| Portchester to Crayford | 70.29 mi (113.12 km) |
| Portchester to Crewe | 165.75 mi (266.75 km) |
| Portchester to Crigglestone | 194.35 mi (312.77 km) |
