| Grayslake to Kinston (North Carolina) | 743.49 mi (1,196.52 km) |
| Grayslake to Kirkland (Washington) | 1,694.85 mi (2,727.60 km) |
| Grayslake to Kirksville (Missouri) | 278.37 mi (447.99 km) |
| Grayslake to Kirkwood (Missouri) | 288.57 mi (464.41 km) |
| Grayslake to Kiryas Joel (New York) | 716.33 mi (1,152.82 km) |
| Grayslake to Kissimmee (Florida) | 1,038.22 mi (1,670.85 km) |
| Grayslake to Klamath Falls (Oregon) | 1,713.41 mi (2,757.46 km) |
| Grayslake to Knightdale (North Carolina) | 682.24 mi (1,097.96 km) |
| Grayslake to Knik-Fairview (Alaska) | 2,802.50 mi (4,510.19 km) |
| Grayslake to Knoxville (Tennessee) | 491.44 mi (790.90 km) |
| Grayslake to Kokomo (Indiana) | 162.99 mi (262.30 km) |
| Grayslake to Kuna (Idaho) | 1,430.29 mi (2,301.83 km) |
| Grayslake to Kyle (Texas) | 1,013.14 mi (1,630.49 km) |
| Grayslake to La Cañada Flintridge (California) | 1,719.30 mi (2,766.95 km) |
| Grayslake to La Crescenta-Montrose (California) | 1,720.34 mi (2,768.62 km) |
