| Grayslake to Kenosha (Wisconsin) | 18.78 mi (30.22 km) |
| Grayslake to Kent (Ohio) | 353.60 mi (569.07 km) |
| Grayslake to Kent (Washington) | 1,695.36 mi (2,728.42 km) |
| Grayslake to Kentwood (Michigan) | 129.71 mi (208.74 km) |
| Grayslake to Kerman (California) | 1,739.36 mi (2,799.22 km) |
| Grayslake to Kernersville (North Carolina) | 604.92 mi (973.53 km) |
| Grayslake to Kerrville (Texas) | 1,049.31 mi (1,688.70 km) |
| Grayslake to Kettering (Maryland) | 635.54 mi (1,022.80 km) |
| Grayslake to Kettering (Ohio) | 272.71 mi (438.88 km) |
| Grayslake to Kewanee (Illinois) | 123.64 mi (198.98 km) |
| Grayslake to Key Biscayne (Florida) | 1,234.08 mi (1,986.06 km) |
| Grayslake to Key Largo (Florida) | 1,266.34 mi (2,037.97 km) |
| Grayslake to Key West (Florida) | 1,279.12 mi (2,058.54 km) |
| Grayslake to Keystone (Florida) | 1,027.95 mi (1,654.32 km) |
| Grayslake to Kihei (Hawaii) | 4,177.11 mi (6,722.41 km) |
