| West Chicago to Kalispell (Montana) | 1,339.03 mi (2,154.96 km) |
| West Chicago to Kaneohe (Hawaii) | 4,210.73 mi (6,776.52 km) |
| West Chicago to Kankakee (Illinois) | 57.95 mi (93.27 km) |
| West Chicago to Kannapolis (North Carolina) | 602.87 mi (970.23 km) |
| West Chicago to Kansas City (Kansas) | 392.23 mi (631.23 km) |
| West Chicago to Kansas City (Missouri) | 383.54 mi (617.24 km) |
| West Chicago to Kapaa (Hawaii) | 4,262.36 mi (6,859.61 km) |
| West Chicago to Kapolei (Hawaii) | 4,227.73 mi (6,803.87 km) |
| West Chicago to Katy (Texas) | 937.77 mi (1,509.20 km) |
| West Chicago to Kaukauna (Wisconsin) | 164.54 mi (264.81 km) |
| West Chicago to Kaysville (Utah) | 1,225.73 mi (1,972.62 km) |
| West Chicago to Kearney (Missouri) | 366.36 mi (589.60 km) |
| West Chicago to Kearney (Nebraska) | 569.24 mi (916.10 km) |
| West Chicago to Kearns (Utah) | 1,234.09 mi (1,986.08 km) |
| West Chicago to Kearny (New Jersey) | 735.29 mi (1,183.34 km) |
