| Grayslake to Clarksdale (Mississippi) | 579.40 mi (932.45 km) |
| Grayslake to Clarkston (Georgia) | 624.18 mi (1,004.51 km) |
| Grayslake to Clarksville (Indiana) | 302.20 mi (486.34 km) |
| Grayslake to Clarksville (Tennessee) | 400.46 mi (644.48 km) |
| Grayslake to Clawson (Michigan) | 249.34 mi (401.28 km) |
| Grayslake to Clay (Alabama) | 602.33 mi (969.35 km) |
| Grayslake to Clayton (California) | 1,803.75 mi (2,902.85 km) |
| Grayslake to Clayton (Missouri) | 282.42 mi (454.51 km) |
| Grayslake to Clayton (North Carolina) | 690.52 mi (1,111.28 km) |
| Grayslake to Clayton (Ohio) | 257.56 mi (414.50 km) |
| Grayslake to Clearfield (Utah) | 1,236.01 mi (1,989.17 km) |
| Grayslake to Clearlake (California) | 1,816.06 mi (2,922.67 km) |
| Grayslake to Clearwater (Florida) | 1,035.43 mi (1,666.36 km) |
| Grayslake to Cleburne (Texas) | 859.81 mi (1,383.74 km) |
| Grayslake to Clemmons (North Carolina) | 597.60 mi (961.75 km) |
