| Harker Heights to Tulare (California) | 1,294.57 mi (2,083.40 km) |
| Harker Heights to Tullahoma (Tennessee) | 724.10 mi (1,165.32 km) |
| Harker Heights to Tulsa (Oklahoma) | 364.39 mi (586.44 km) |
| Harker Heights to Tumwater (Washington) | 1,733.42 mi (2,789.67 km) |
| Harker Heights to Tupelo (Mississippi) | 563.65 mi (907.11 km) |
| Harker Heights to Turlock (California) | 1,393.84 mi (2,243.17 km) |
| Harker Heights to Tuscaloosa (Alabama) | 610.44 mi (982.40 km) |
| Harker Heights to Tustin (California) | 1,188.96 mi (1,913.45 km) |
| Harker Heights to Twentynine Palms (California) | 1,091.68 mi (1,756.89 km) |
| Harker Heights to Twin Falls (Idaho) | 1,219.62 mi (1,962.78 km) |
| Harker Heights to Twin Rivers (New Jersey) | 1,441.10 mi (2,319.22 km) |
| Harker Heights to Twinsburg (Ohio) | 1,145.17 mi (1,842.97 km) |
| Harker Heights to Two Rivers (Wisconsin) | 1,057.61 mi (1,702.05 km) |
| Harker Heights to Tyler (Texas) | 162.76 mi (261.94 km) |
| Harker Heights to Tysons (Virginia) | 1,273.22 mi (2,049.05 km) |
