| Harker Heights to Friendly (Maryland) | 1,283.08 mi (2,064.91 km) |
| Harker Heights to Friendswood (Texas) | 180.88 mi (291.09 km) |
| Harker Heights to Frisco (Texas) | 152.80 mi (245.91 km) |
| Harker Heights to Front Royal (Virginia) | 1,224.92 mi (1,971.32 km) |
| Harker Heights to Fruit Cove (Florida) | 954.85 mi (1,536.69 km) |
| Harker Heights to Fruita (Colorado) | 838.84 mi (1,349.99 km) |
| Harker Heights to Fruitville (Florida) | 950.33 mi (1,529.40 km) |
| Harker Heights to Fuller Heights (Florida) | 964.71 mi (1,552.55 km) |
| Harker Heights to Fullerton (California) | 1,196.34 mi (1,925.32 km) |
| Harker Heights to Fullerton (Pennsylvania) | 1,400.81 mi (2,254.39 km) |
| Harker Heights to Fulshear (Texas) | 141.22 mi (227.27 km) |
| Harker Heights to Fulton (Missouri) | 627.55 mi (1,009.94 km) |
| Harker Heights to Fulton (New York) | 1,436.27 mi (2,311.45 km) |
| Harker Heights to Fuquay-Varina (North Carolina) | 1,131.37 mi (1,820.76 km) |
| Harker Heights to Gadsden (Alabama) | 706.95 mi (1,137.72 km) |
