| Flagstaff to Kinston (North Carolina) | 1,910.73 mi (3,075.02 km) |
| Flagstaff to Kirkland (Washington) | 1,021.45 mi (1,643.86 km) |
| Flagstaff to Kirksville (Missouri) | 1,094.68 mi (1,761.72 km) |
| Flagstaff to Kirkwood (Missouri) | 1,191.95 mi (1,918.25 km) |
| Flagstaff to Kiryas Joel (New York) | 2,059.13 mi (3,313.84 km) |
| Flagstaff to Kissimmee (Florida) | 1,829.38 mi (2,944.10 km) |
| Flagstaff to Klamath Falls (Oregon) | 731.13 mi (1,176.64 km) |
| Flagstaff to Knightdale (North Carolina) | 1,854.92 mi (2,985.21 km) |
| Flagstaff to Knik-Fairview (Alaska) | 2,455.97 mi (3,952.50 km) |
| Flagstaff to Knoxville (Tennessee) | 1,550.63 mi (2,495.50 km) |
| Flagstaff to Kokomo (Indiana) | 1,432.64 mi (2,305.61 km) |
| Flagstaff to Kuna (Idaho) | 627.42 mi (1,009.74 km) |
| Flagstaff to Kyle (Texas) | 875.31 mi (1,408.67 km) |
| Flagstaff to La Cañada Flintridge (California) | 379.80 mi (611.23 km) |
| Flagstaff to La Crescenta-Montrose (California) | 381.44 mi (613.87 km) |
