| Champaign to Clermont (Florida) | 882.59 mi (1,420.40 km) |
| Champaign to Cleveland (Mississippi) | 460.49 mi (741.09 km) |
| Champaign to Cleveland (Ohio) | 357.38 mi (575.15 km) |
| Champaign to Cleveland (Tennessee) | 388.25 mi (624.83 km) |
| Champaign to Cleveland Heights (Ohio) | 363.82 mi (585.51 km) |
| Champaign to Cliffside Park (New Jersey) | 751.67 mi (1,209.70 km) |
| Champaign to Clifton (Colorado) | 1,074.84 mi (1,729.79 km) |
| Champaign to Clifton (New Jersey) | 742.77 mi (1,195.37 km) |
| Champaign to Clinton (Iowa) | 157.50 mi (253.47 km) |
| Champaign to Clinton (Maryland) | 613.47 mi (987.29 km) |
| Champaign to Clinton (Mississippi) | 548.36 mi (882.50 km) |
| Champaign to Clinton (Utah) | 1,245.76 mi (2,004.86 km) |
| Champaign to Clive (Iowa) | 306.64 mi (493.49 km) |
| Champaign to Cloquet (Minnesota) | 503.07 mi (809.61 km) |
| Champaign to Cloverleaf (Texas) | 812.76 mi (1,308.01 km) |
