| Harker Heights to Grand Junction (Colorado) | 829.11 mi (1,334.33 km) |
| Harker Heights to Grand Prairie (Texas) | 118.41 mi (190.57 km) |
| Harker Heights to Grand Rapids (Michigan) | 1,053.19 mi (1,694.95 km) |
| Harker Heights to Grand Rapids (Minnesota) | 1,139.06 mi (1,833.14 km) |
| Harker Heights to Grand Terrace (California) | 1,161.96 mi (1,870.00 km) |
| Harker Heights to Grandview (Missouri) | 568.58 mi (915.04 km) |
| Harker Heights to Grandview (Washington) | 1,585.09 mi (2,550.95 km) |
| Harker Heights to Grandville (Michigan) | 1,046.64 mi (1,684.40 km) |
| Harker Heights to Granger (Indiana) | 975.02 mi (1,569.15 km) |
| Harker Heights to Granite Bay (California) | 1,430.18 mi (2,301.66 km) |
| Harker Heights to Granite City (Illinois) | 679.54 mi (1,093.62 km) |
| Harker Heights to Grants Pass (Oregon) | 1,615.63 mi (2,600.11 km) |
| Harker Heights to Grantsville (Utah) | 1,058.76 mi (1,703.90 km) |
| Harker Heights to Grapevine (Texas) | 133.93 mi (215.54 km) |
| Harker Heights to Grass Valley (California) | 1,432.48 mi (2,305.35 km) |
