| Rockford to Cehegin | 4,403.00 mi (7,085.94 km) |
| Rockford to Cervello | 4,437.77 mi (7,141.90 km) |
| Rockford to Cervera | 4,397.90 mi (7,077.74 km) |
| Rockford to Ceuti | 4,427.11 mi (7,124.75 km) |
| Rockford to Cheste | 4,398.35 mi (7,078.46 km) |
| Rockford to Chiclana de la Frontera | 4,269.31 mi (6,870.79 km) |
| Rockford to Chipiona | 4,244.14 mi (6,830.29 km) |
| Rockford to Chiva | 4,397.12 mi (7,076.48 km) |
| Rockford to Churriana de la Vega | 4,356.01 mi (7,010.32 km) |
| Rockford to Ciempozuelos | 4,242.69 mi (6,827.95 km) |
| Rockford to Cieza | 4,414.26 mi (7,104.07 km) |
| Rockford to Cisterniga | 4,141.90 mi (6,665.74 km) |
| Rockford to Ciudad de Melilla | 4,461.59 mi (7,180.23 km) |
| Rockford to Ciudad Real | 4,273.66 mi (6,877.80 km) |
| Rockford to Ciudad-Rodrigo | 4,096.41 mi (6,592.53 km) |
