| Harker Heights to Ukiah (California) | 1,542.95 mi (2,483.13 km) |
| Harker Heights to Union (Missouri) | 634.25 mi (1,020.73 km) |
| Harker Heights to Union City (California) | 1,457.44 mi (2,345.53 km) |
| Harker Heights to Union City (Georgia) | 783.04 mi (1,260.18 km) |
| Harker Heights to Union City (New Jersey) | 1,475.36 mi (2,374.37 km) |
| Harker Heights to Union City (Tennessee) | 617.30 mi (993.45 km) |
| Harker Heights to Union Hill-Novelty Hill (Washington) | 1,723.03 mi (2,772.94 km) |
| Harker Heights to Union Park (Florida) | 997.70 mi (1,605.64 km) |
| Harker Heights to Uniondale (New York) | 1,495.86 mi (2,407.36 km) |
| Harker Heights to Universal City (Texas) | 111.25 mi (179.05 km) |
| Harker Heights to University (Florida) | 936.19 mi (1,506.65 km) |
| Harker Heights to University City (Missouri) | 669.00 mi (1,076.65 km) |
| Harker Heights to University Heights (Ohio) | 1,147.86 mi (1,847.30 km) |
| Harker Heights to University of California-Santa Barbara (California) | 1,308.88 mi (2,106.44 km) |
| Harker Heights to University Park (Texas) | 133.57 mi (214.97 km) |
