| Grayslake to Central Point (Oregon) | 1,767.99 mi (2,845.31 km) |
| Grayslake to Centralia (Illinois) | 269.95 mi (434.44 km) |
| Grayslake to Centralia (Washington) | 1,732.42 mi (2,788.06 km) |
| Grayslake to Centreville (Virginia) | 605.70 mi (974.78 km) |
| Grayslake to Ceres (California) | 1,762.78 mi (2,836.92 km) |
| Grayslake to Cerritos (California) | 1,723.90 mi (2,774.34 km) |
| Grayslake to Chalco (Nebraska) | 424.97 mi (683.93 km) |
| Grayslake to Chalmette (Louisiana) | 863.22 mi (1,389.22 km) |
| Grayslake to Chambersburg (Pennsylvania) | 564.69 mi (908.79 km) |
| Grayslake to Chamblee (Georgia) | 618.34 mi (995.12 km) |
| Grayslake to Champaign (Illinois) | 154.33 mi (248.36 km) |
| Grayslake to Champlin (Minnesota) | 331.07 mi (532.80 km) |
| Grayslake to Chandler (Arizona) | 1,436.25 mi (2,311.43 km) |
| Grayslake to Chanhassen (Minnesota) | 326.53 mi (525.50 km) |
| Grayslake to Channahon (Illinois) | 64.59 mi (103.94 km) |
