| Rockford to Cedar Park (Texas) | 945.43 mi (1,521.52 km) |
| Rockford to Cedar Rapids (Iowa) | 135.52 mi (218.09 km) |
| Rockford to Cedarburg (Wisconsin) | 90.17 mi (145.12 km) |
| Rockford to Celebration (Florida) | 1,051.75 mi (1,692.62 km) |
| Rockford to Celina (Ohio) | 261.27 mi (420.47 km) |
| Rockford to Celina (Texas) | 747.63 mi (1,203.19 km) |
| Rockford to Centennial (Colorado) | 843.98 mi (1,358.26 km) |
| Rockford to Center Point (Alabama) | 609.10 mi (980.26 km) |
| Rockford to Centereach (New York) | 830.54 mi (1,336.63 km) |
| Rockford to Centerton (Arkansas) | 494.36 mi (795.59 km) |
| Rockford to Centerville (Ohio) | 314.26 mi (505.76 km) |
| Rockford to Centerville (Utah) | 1,179.25 mi (1,897.82 km) |
| Rockford to Central (Louisiana) | 815.75 mi (1,312.83 km) |
| Rockford to Central Falls (Rhode Island) | 904.99 mi (1,456.44 km) |
| Rockford to Central Islip (New York) | 826.02 mi (1,329.36 km) |
