| Rockford to Chicago Ridge (Illinois) | 76.35 mi (122.87 km) |
| Rockford to Chickasha (Oklahoma) | 690.99 mi (1,112.05 km) |
| Rockford to Chico (California) | 1,705.80 mi (2,745.22 km) |
| Rockford to Chicopee (Massachusetts) | 842.60 mi (1,356.03 km) |
| Rockford to Chillicothe (Ohio) | 376.03 mi (605.17 km) |
| Rockford to Chillum (Maryland) | 672.72 mi (1,082.64 km) |
| Rockford to Chino (California) | 1,646.99 mi (2,650.57 km) |
| Rockford to Chino Hills (California) | 1,651.09 mi (2,657.17 km) |
| Rockford to Chino Valley (Arizona) | 1,358.97 mi (2,187.05 km) |
| Rockford to Chippewa Falls (Wisconsin) | 218.47 mi (351.59 km) |
| Rockford to Choctaw (Oklahoma) | 642.89 mi (1,034.64 km) |
| Rockford to Chowchilla (California) | 1,685.23 mi (2,712.12 km) |
| Rockford to Christiansburg (Virginia) | 580.05 mi (933.50 km) |
| Rockford to Chubbuck (Idaho) | 1,187.21 mi (1,910.63 km) |
| Rockford to Chula Vista (California) | 1,661.62 mi (2,674.12 km) |
