| Harker Heights to Fortuna (California) | 1,615.70 mi (2,600.21 km) |
| Harker Heights to Fortuna Foothills (Arizona) | 988.31 mi (1,590.53 km) |
| Harker Heights to Foster City (California) | 1,470.17 mi (2,366.01 km) |
| Harker Heights to Fostoria (Ohio) | 1,055.01 mi (1,697.87 km) |
| Harker Heights to Fountain (Colorado) | 660.72 mi (1,063.33 km) |
| Harker Heights to Fountain Hills (Arizona) | 840.82 mi (1,353.16 km) |
| Harker Heights to Fountain Inn (South Carolina) | 929.72 mi (1,496.24 km) |
| Harker Heights to Fountain Valley (California) | 1,196.95 mi (1,926.31 km) |
| Harker Heights to Fountainebleau (Florida) | 1,111.32 mi (1,788.49 km) |
| Harker Heights to Four Corners (Oregon) | 1,668.08 mi (2,684.51 km) |
| Harker Heights to Four Corners (Texas) | 152.26 mi (245.03 km) |
| Harker Heights to Four Square Mile (Colorado) | 721.60 mi (1,161.30 km) |
| Harker Heights to Fox Crossing (Wisconsin) | 1,037.21 mi (1,669.23 km) |
| Harker Heights to Fox Lake (Illinois) | 942.61 mi (1,516.99 km) |
| Harker Heights to Framingham (Massachusetts) | 1,637.60 mi (2,635.46 km) |
