| Park Forest to Clarksdale (Mississippi) | 527.48 mi (848.90 km) |
| Park Forest to Clarkston (Georgia) | 562.35 mi (905.02 km) |
| Park Forest to Clarksville (Indiana) | 240.84 mi (387.59 km) |
| Park Forest to Clarksville (Tennessee) | 339.93 mi (547.06 km) |
| Park Forest to Clawson (Michigan) | 243.99 mi (392.67 km) |
| Park Forest to Clay (Alabama) | 541.21 mi (871.00 km) |
| Park Forest to Clayton (California) | 1,824.41 mi (2,936.11 km) |
| Park Forest to Clayton (Missouri) | 240.75 mi (387.44 km) |
| Park Forest to Clayton (North Carolina) | 640.31 mi (1,030.48 km) |
| Park Forest to Clayton (Ohio) | 208.23 mi (335.12 km) |
| Park Forest to Clearfield (Utah) | 1,259.51 mi (2,026.99 km) |
| Park Forest to Clearlake (California) | 1,839.33 mi (2,960.11 km) |
| Park Forest to Clearwater (Florida) | 973.49 mi (1,566.68 km) |
| Park Forest to Cleburne (Texas) | 827.27 mi (1,331.36 km) |
| Park Forest to Clemmons (North Carolina) | 544.14 mi (875.71 km) |
