| Security-Widefield to Kingsville (Texas) | 871.26 mi (1,402.16 km) |
| Security-Widefield to Kinston (North Carolina) | 1,509.73 mi (2,429.67 km) |
| Security-Widefield to Kirkland (Washington) | 1,072.01 mi (1,725.23 km) |
| Security-Widefield to Kirksville (Missouri) | 654.59 mi (1,053.46 km) |
| Security-Widefield to Kirkwood (Missouri) | 770.46 mi (1,239.93 km) |
| Security-Widefield to Kiryas Joel (New York) | 1,617.24 mi (2,602.70 km) |
| Security-Widefield to Kissimmee (Florida) | 1,517.30 mi (2,441.87 km) |
| Security-Widefield to Klamath Falls (Oregon) | 926.32 mi (1,490.77 km) |
| Security-Widefield to Knightdale (North Carolina) | 1,450.90 mi (2,335.00 km) |
| Security-Widefield to Knik-Fairview (Alaska) | 2,456.46 mi (3,953.30 km) |
| Security-Widefield to Knoxville (Tennessee) | 1,153.84 mi (1,856.92 km) |
| Security-Widefield to Kokomo (Indiana) | 994.60 mi (1,600.66 km) |
| Security-Widefield to Kuna (Idaho) | 689.59 mi (1,109.78 km) |
| Security-Widefield to Kyle (Texas) | 718.95 mi (1,157.03 km) |
| Security-Widefield to La Cañada Flintridge (California) | 811.18 mi (1,305.47 km) |
