| Portage to Cosham | 3,839.05 mi (6,178.36 km) |
| Portage to Costessey | 3,869.75 mi (6,227.76 km) |
| Portage to Cottingham | 3,775.17 mi (6,075.55 km) |
| Portage to Coulsdon | 3,860.13 mi (6,212.27 km) |
| Portage to Coventry | 3,774.51 mi (6,074.49 km) |
| Portage to Cowdenbeath | 3,604.34 mi (5,800.62 km) |
| Portage to Cowes | 3,832.47 mi (6,167.76 km) |
| Portage to Cowley | 3,840.53 mi (6,180.73 km) |
| Portage to Cowley | 3,806.03 mi (6,125.21 km) |
| Portage to Cramlington | 3,695.25 mi (5,946.93 km) |
| Portage to Cranleigh | 3,852.77 mi (6,200.43 km) |
| Portage to Crawley | 3,864.88 mi (6,219.92 km) |
| Portage to Crayford | 3,868.42 mi (6,225.62 km) |
| Portage to Crewe | 3,719.18 mi (5,985.45 km) |
| Portage to Crigglestone | 3,738.03 mi (6,015.78 km) |
