| Harker Heights to Gaffney (South Carolina) | 965.27 mi (1,553.46 km) |
| Harker Heights to Gages Lake (Illinois) | 944.84 mi (1,520.58 km) |
| Harker Heights to Gahanna (Ohio) | 1,034.22 mi (1,664.42 km) |
| Harker Heights to Gainesville (Florida) | 916.21 mi (1,474.50 km) |
| Harker Heights to Gainesville (Georgia) | 833.18 mi (1,340.88 km) |
| Harker Heights to Gainesville (Texas) | 180.72 mi (290.84 km) |
| Harker Heights to Gainesville (Virginia) | 1,249.60 mi (2,011.04 km) |
| Harker Heights to Gaithersburg (Maryland) | 1,278.81 mi (2,058.04 km) |
| Harker Heights to Galena Park (Texas) | 169.89 mi (273.42 km) |
| Harker Heights to Galesburg (Illinois) | 794.46 mi (1,278.57 km) |
| Harker Heights to Galion (Ohio) | 1,064.95 mi (1,713.87 km) |
| Harker Heights to Gallatin (Tennessee) | 739.27 mi (1,189.74 km) |
| Harker Heights to Gallup (New Mexico) | 710.66 mi (1,143.70 km) |
| Harker Heights to Galt (California) | 1,428.78 mi (2,299.40 km) |
| Harker Heights to Galveston (Texas) | 206.57 mi (332.44 km) |
