| Rockford to Channelview (Texas) | 924.79 mi (1,488.30 km) |
| Rockford to Chantilly (Virginia) | 652.10 mi (1,049.46 km) |
| Rockford to Chaparral (New Mexico) | 1,183.68 mi (1,904.95 km) |
| Rockford to Chapel Hill (North Carolina) | 692.29 mi (1,114.13 km) |
| Rockford to Charleston (Illinois) | 197.26 mi (317.47 km) |
| Rockford to Charleston (South Carolina) | 819.89 mi (1,319.49 km) |
| Rockford to Charleston (West Virginia) | 475.50 mi (765.24 km) |
| Rockford to Charlotte (North Carolina) | 658.36 mi (1,059.52 km) |
| Rockford to Charlottesville (Virginia) | 629.62 mi (1,013.27 km) |
| Rockford to Chaska (Minnesota) | 288.08 mi (463.61 km) |
| Rockford to Chatham (Illinois) | 181.69 mi (292.40 km) |
| Rockford to Chattanooga (Tennessee) | 537.82 mi (865.54 km) |
| Rockford to Cheat Lake (West Virginia) | 512.38 mi (824.59 km) |
| Rockford to Chelsea (Alabama) | 631.30 mi (1,015.98 km) |
| Rockford to Chelsea (Massachusetts) | 919.38 mi (1,479.60 km) |
