| Rockford to Cabestany | 4,428.73 mi (7,127.35 km) |
| Rockford to Cabries | 4,499.11 mi (7,240.62 km) |
| Rockford to Cachan | 4,172.74 mi (6,715.37 km) |
| Rockford to Caen | 4,053.80 mi (6,523.96 km) |
| Rockford to Cagnes-sur-Mer | 4,561.75 mi (7,341.43 km) |
| Rockford to Cahors | 4,298.16 mi (6,917.22 km) |
| Rockford to Calais | 4,077.84 mi (6,562.64 km) |
| Rockford to Caluire-et-Cuire | 4,384.41 mi (7,056.02 km) |
| Rockford to Cambrai | 4,157.15 mi (6,690.29 km) |
| Rockford to Canet-en-Roussillon | 4,430.44 mi (7,130.10 km) |
| Rockford to Cannes | 4,560.90 mi (7,340.06 km) |
| Rockford to Canteleu | 4,099.03 mi (6,596.75 km) |
| Rockford to Capbreton | 4,208.17 mi (6,772.39 km) |
| Rockford to Carcassonne | 4,383.32 mi (7,054.27 km) |
| Rockford to Carmaux | 4,342.96 mi (6,989.32 km) |
