| River Forest to Clemson (South Carolina) | 567.18 mi (912.78 km) |
| River Forest to Clermont (Florida) | 984.65 mi (1,584.65 km) |
| River Forest to Cleveland (Mississippi) | 585.03 mi (941.52 km) |
| River Forest to Cleveland (Ohio) | 318.01 mi (511.79 km) |
| River Forest to Cleveland (Tennessee) | 490.37 mi (789.17 km) |
| River Forest to Cleveland Heights (Ohio) | 323.72 mi (520.98 km) |
| River Forest to Cliffside Park (New Jersey) | 720.34 mi (1,159.27 km) |
| River Forest to Clifton (Colorado) | 1,099.24 mi (1,769.06 km) |
| River Forest to Clifton (New Jersey) | 711.11 mi (1,144.42 km) |
| River Forest to Clinton (Iowa) | 124.65 mi (200.61 km) |
| River Forest to Clinton (Maryland) | 614.02 mi (988.17 km) |
| River Forest to Clinton (Mississippi) | 673.60 mi (1,084.05 km) |
| River Forest to Clinton (Utah) | 1,251.26 mi (2,013.71 km) |
| River Forest to Clive (Iowa) | 308.70 mi (496.81 km) |
| River Forest to Cloquet (Minnesota) | 405.56 mi (652.69 km) |
