| Walnut Park to Kalispell (Montana) | 1,004.70 mi (1,616.91 km) |
| Walnut Park to Kaneohe (Hawaii) | 2,553.15 mi (4,108.89 km) |
| Walnut Park to Kankakee (Illinois) | 1,724.87 mi (2,775.91 km) |
| Walnut Park to Kannapolis (North Carolina) | 2,123.86 mi (3,418.02 km) |
| Walnut Park to Kansas City (Kansas) | 1,346.73 mi (2,167.35 km) |
| Walnut Park to Kansas City (Missouri) | 1,356.83 mi (2,183.61 km) |
| Walnut Park to Kapaa (Hawaii) | 2,619.51 mi (4,215.70 km) |
| Walnut Park to Kapolei (Hawaii) | 2,571.01 mi (4,137.65 km) |
| Walnut Park to Katy (Texas) | 1,341.89 mi (2,159.56 km) |
| Walnut Park to Kaukauna (Wisconsin) | 1,743.98 mi (2,806.67 km) |
| Walnut Park to Kaysville (Utah) | 596.58 mi (960.11 km) |
| Walnut Park to Kearney (Missouri) | 1,369.36 mi (2,203.77 km) |
| Walnut Park to Kearney (Nebraska) | 1,146.55 mi (1,845.20 km) |
| Walnut Park to Kearns (Utah) | 573.94 mi (923.67 km) |
| Walnut Park to Kearny (New Jersey) | 2,440.66 mi (3,927.87 km) |
