| Rockford to Cosham | 3,970.59 mi (6,390.05 km) |
| Rockford to Costessey | 3,995.49 mi (6,430.12 km) |
| Rockford to Cottingham | 3,899.44 mi (6,275.54 km) |
| Rockford to Coulsdon | 3,989.92 mi (6,421.15 km) |
| Rockford to Coventry | 3,902.81 mi (6,280.97 km) |
| Rockford to Cowdenbeath | 3,724.68 mi (5,994.30 km) |
| Rockford to Cowes | 3,964.36 mi (6,380.02 km) |
| Rockford to Cowley | 3,970.10 mi (6,389.27 km) |
| Rockford to Cowley | 3,935.68 mi (6,333.86 km) |
| Rockford to Cramlington | 3,817.11 mi (6,143.05 km) |
| Rockford to Cranleigh | 3,983.22 mi (6,410.37 km) |
| Rockford to Crawley | 3,995.18 mi (6,429.62 km) |
| Rockford to Crayford | 3,997.69 mi (6,433.66 km) |
| Rockford to Crewe | 3,846.50 mi (6,190.34 km) |
| Rockford to Crigglestone | 3,863.41 mi (6,217.55 km) |
