| Grayslake to Chicago Ridge (Illinois) | 45.91 mi (73.89 km) |
| Grayslake to Chickasha (Oklahoma) | 734.03 mi (1,181.30 km) |
| Grayslake to Chico (California) | 1,757.67 mi (2,828.70 km) |
| Grayslake to Chicopee (Massachusetts) | 789.67 mi (1,270.85 km) |
| Grayslake to Chillicothe (Ohio) | 335.16 mi (539.39 km) |
| Grayslake to Chillum (Maryland) | 624.00 mi (1,004.23 km) |
| Grayslake to Chino (California) | 1,699.78 mi (2,735.53 km) |
| Grayslake to Chino Hills (California) | 1,703.88 mi (2,742.13 km) |
| Grayslake to Chino Valley (Arizona) | 1,411.38 mi (2,271.40 km) |
| Grayslake to Chippewa Falls (Wisconsin) | 245.56 mi (395.19 km) |
| Grayslake to Choctaw (Oklahoma) | 685.56 mi (1,103.31 km) |
| Grayslake to Chowchilla (California) | 1,738.00 mi (2,797.04 km) |
| Grayslake to Christiansburg (Virginia) | 541.27 mi (871.09 km) |
| Grayslake to Chubbuck (Idaho) | 1,238.04 mi (1,992.44 km) |
| Grayslake to Chula Vista (California) | 1,714.07 mi (2,758.52 km) |
