| Harker Heights to Kinston (North Carolina) | 1,193.42 mi (1,920.62 km) |
| Harker Heights to Kirkland (Washington) | 1,730.64 mi (2,785.19 km) |
| Harker Heights to Kirksville (Missouri) | 692.48 mi (1,114.44 km) |
| Harker Heights to Kirkwood (Missouri) | 661.32 mi (1,064.29 km) |
| Harker Heights to Kiryas Joel (New York) | 1,482.56 mi (2,385.95 km) |
| Harker Heights to Kissimmee (Florida) | 991.55 mi (1,595.74 km) |
| Harker Heights to Klamath Falls (Oregon) | 1,536.24 mi (2,472.35 km) |
| Harker Heights to Knightdale (North Carolina) | 1,149.42 mi (1,849.81 km) |
| Harker Heights to Knik-Fairview (Alaska) | 3,120.35 mi (5,021.73 km) |
| Harker Heights to Knoxville (Tennessee) | 857.79 mi (1,380.48 km) |
| Harker Heights to Kokomo (Indiana) | 914.60 mi (1,471.91 km) |
| Harker Heights to Kuna (Idaho) | 1,336.18 mi (2,150.37 km) |
| Harker Heights to Kyle (Texas) | 74.90 mi (120.53 km) |
| Harker Heights to La Cañada Flintridge (California) | 1,213.54 mi (1,953.00 km) |
| Harker Heights to La Crescenta-Montrose (California) | 1,215.66 mi (1,956.42 km) |
