| Grayslake to Kaneohe (Hawaii) | 4,218.64 mi (6,789.25 km) |
| Grayslake to Kankakee (Illinois) | 86.02 mi (138.43 km) |
| Grayslake to Kannapolis (North Carolina) | 618.28 mi (995.03 km) |
| Grayslake to Kansas City (Kansas) | 415.55 mi (668.76 km) |
| Grayslake to Kansas City (Missouri) | 407.17 mi (655.27 km) |
| Grayslake to Kapaa (Hawaii) | 4,269.38 mi (6,870.91 km) |
| Grayslake to Kapolei (Hawaii) | 4,235.57 mi (6,816.49 km) |
| Grayslake to Katy (Texas) | 969.37 mi (1,560.05 km) |
| Grayslake to Kaukauna (Wisconsin) | 134.32 mi (216.17 km) |
| Grayslake to Kaysville (Utah) | 1,233.09 mi (1,984.47 km) |
| Grayslake to Kearney (Missouri) | 389.54 mi (626.91 km) |
| Grayslake to Kearney (Nebraska) | 582.27 mi (937.08 km) |
| Grayslake to Kearns (Utah) | 1,242.09 mi (1,998.96 km) |
| Grayslake to Kearny (New Jersey) | 726.95 mi (1,169.91 km) |
| Grayslake to Keene (New Hampshire) | 799.58 mi (1,286.80 km) |
