| Harker Heights to Excelsior Springs (Missouri) | 603.51 mi (971.25 km) |
| Harker Heights to Exeter (California) | 1,285.03 mi (2,068.06 km) |
| Harker Heights to Fair Lawn (New Jersey) | 1,475.11 mi (2,373.95 km) |
| Harker Heights to Fair Oaks (California) | 1,432.37 mi (2,305.18 km) |
| Harker Heights to Fair Oaks (Virginia) | 1,265.28 mi (2,036.27 km) |
| Harker Heights to Fairbanks (Alaska) | 3,143.05 mi (5,058.26 km) |
| Harker Heights to Fairborn (Ohio) | 974.91 mi (1,568.97 km) |
| Harker Heights to Fairburn (Georgia) | 780.92 mi (1,256.77 km) |
| Harker Heights to Fairfax (Virginia) | 1,268.00 mi (2,040.65 km) |
| Harker Heights to Fairfax Station (Virginia) | 1,264.84 mi (2,035.57 km) |
| Harker Heights to Fairfield (California) | 1,467.38 mi (2,361.52 km) |
| Harker Heights to Fairfield (Ohio) | 933.27 mi (1,501.95 km) |
| Harker Heights to Fairhope (Alabama) | 580.50 mi (934.22 km) |
| Harker Heights to Fairland (Maryland) | 1,290.74 mi (2,077.24 km) |
| Harker Heights to Fairmont (Minnesota) | 886.87 mi (1,427.28 km) |
