| Hayden to Kinston (North Carolina) | 2,175.48 mi (3,501.10 km) |
| Hayden to Kirkland (Washington) | 251.02 mi (403.98 km) |
| Hayden to Kirksville (Missouri) | 1,306.12 mi (2,102.00 km) |
| Hayden to Kirkwood (Missouri) | 1,463.56 mi (2,355.36 km) |
| Hayden to Kiryas Joel (New York) | 2,117.54 mi (3,407.85 km) |
| Hayden to Kissimmee (Florida) | 2,317.21 mi (3,729.18 km) |
| Hayden to Klamath Falls (Oregon) | 453.62 mi (730.03 km) |
| Hayden to Knightdale (North Carolina) | 2,113.44 mi (3,401.25 km) |
| Hayden to Knik-Fairview (Alaska) | 1,592.24 mi (2,562.46 km) |
| Hayden to Knoxville (Tennessee) | 1,858.04 mi (2,990.22 km) |
| Hayden to Kokomo (Indiana) | 1,590.95 mi (2,560.39 km) |
| Hayden to Kuna (Idaho) | 296.38 mi (476.98 km) |
| Hayden to Kyle (Texas) | 1,585.98 mi (2,552.39 km) |
| Hayden to La Cañada Flintridge (California) | 939.57 mi (1,512.09 km) |
| Hayden to La Crescenta-Montrose (California) | 938.16 mi (1,509.82 km) |
