| Rockford to Cromer | 3,989.56 mi (6,420.58 km) |
| Rockford to Crosby | 3,812.63 mi (6,135.83 km) |
| Rockford to Crowborough | 4,009.99 mi (6,453.46 km) |
| Rockford to Croxley Green | 3,967.52 mi (6,385.11 km) |
| Rockford to Croydon | 3,989.28 mi (6,420.12 km) |
| Rockford to Cudworth | 3,869.39 mi (6,227.19 km) |
| Rockford to Culcheth | 3,832.64 mi (6,168.03 km) |
| Rockford to Cullercoats | 3,824.00 mi (6,154.14 km) |
| Rockford to Cumbernauld | 3,706.56 mi (5,965.13 km) |
| Rockford to Cumnock | 3,710.66 mi (5,971.74 km) |
| Rockford to Cupar | 3,730.69 mi (6,003.97 km) |
| Rockford to Cwmbran | 3,869.67 mi (6,227.63 km) |
| Rockford to Dagenham | 3,993.18 mi (6,426.41 km) |
| Rockford to Dalkeith | 3,741.03 mi (6,020.61 km) |
| Rockford to Darfield | 3,871.89 mi (6,231.20 km) |
