| Harker Heights to Iselin (New Jersey) | 1,456.73 mi (2,344.38 km) |
| Harker Heights to Isla Vista (California) | 1,309.13 mi (2,106.84 km) |
| Harker Heights to Issaquah (Washington) | 1,718.70 mi (2,765.98 km) |
| Harker Heights to Ithaca (New York) | 1,403.98 mi (2,259.48 km) |
| Harker Heights to Ives Estates (Florida) | 1,115.55 mi (1,795.30 km) |
| Harker Heights to Jackson (Michigan) | 1,063.31 mi (1,711.24 km) |
| Harker Heights to Jackson (Mississippi) | 445.43 mi (716.85 km) |
| Harker Heights to Jackson (Missouri) | 631.43 mi (1,016.19 km) |
| Harker Heights to Jackson (Tennessee) | 599.05 mi (964.08 km) |
| Harker Heights to Jackson (Wyoming) | 1,118.31 mi (1,799.75 km) |
| Harker Heights to Jacksonville (Alabama) | 718.49 mi (1,156.29 km) |
| Harker Heights to Jacksonville (Arkansas) | 414.55 mi (667.15 km) |
| Harker Heights to Jacksonville (Florida) | 949.32 mi (1,527.78 km) |
| Harker Heights to Jacksonville (Illinois) | 729.67 mi (1,174.30 km) |
| Harker Heights to Jacksonville (North Carolina) | 1,199.72 mi (1,930.77 km) |
