| Harker Heights to Enterprise (Nevada) | 1,067.07 mi (1,717.28 km) |
| Harker Heights to Enumclaw (Washington) | 1,703.75 mi (2,741.93 km) |
| Harker Heights to Ephrata (Pennsylvania) | 1,355.38 mi (2,181.27 km) |
| Harker Heights to Erie (Colorado) | 746.39 mi (1,201.20 km) |
| Harker Heights to Erie (Pennsylvania) | 1,234.38 mi (1,986.54 km) |
| Harker Heights to Erlanger (Kentucky) | 919.14 mi (1,479.21 km) |
| Harker Heights to Escanaba (Michigan) | 1,162.46 mi (1,870.80 km) |
| Harker Heights to Escondido (California) | 1,144.51 mi (1,841.92 km) |
| Harker Heights to Española (New Mexico) | 593.11 mi (954.51 km) |
| Harker Heights to Essex (Maryland) | 1,321.44 mi (2,126.65 km) |
| Harker Heights to Essex Junction (Vermont) | 1,619.48 mi (2,606.31 km) |
| Harker Heights to Estelle (Louisiana) | 456.90 mi (735.31 km) |
| Harker Heights to Estero (Florida) | 1,010.90 mi (1,626.89 km) |
| Harker Heights to Euclid (Ohio) | 1,152.23 mi (1,854.33 km) |
| Harker Heights to Eufaula (Alabama) | 738.12 mi (1,187.89 km) |
