| Grayslake to Candler-McAfee (Georgia) | 629.19 mi (1,012.59 km) |
| Grayslake to Caño Martin Peña (Puerto Rico) | 2,095.05 mi (3,371.65 km) |
| Grayslake to Cañon City (Colorado) | 941.75 mi (1,515.61 km) |
| Grayslake to Canóvanas (Puerto Rico) | 2,103.99 mi (3,386.05 km) |
| Grayslake to Canton (Georgia) | 591.18 mi (951.41 km) |
| Grayslake to Canton (Illinois) | 160.87 mi (258.90 km) |
| Grayslake to Canton (Mississippi) | 681.97 mi (1,097.53 km) |
| Grayslake to Canton (Ohio) | 360.36 mi (579.94 km) |
| Grayslake to Canyon (Texas) | 903.14 mi (1,453.46 km) |
| Grayslake to Canyon Lake (California) | 1,689.40 mi (2,718.82 km) |
| Grayslake to Canyon Lake (Texas) | 1,031.48 mi (1,660.01 km) |
| Grayslake to Cape Coral (Florida) | 1,136.90 mi (1,829.67 km) |
| Grayslake to Cape Girardeau (Missouri) | 356.80 mi (574.22 km) |
| Grayslake to Carbondale (Illinois) | 325.24 mi (523.42 km) |
| Grayslake to Carlisle (Pennsylvania) | 581.10 mi (935.18 km) |
