| Harker Heights to Ridgeland (Mississippi) | 450.39 mi (724.83 km) |
| Harker Heights to Ridgewood (New Jersey) | 1,476.45 mi (2,376.11 km) |
| Harker Heights to Rifle (Colorado) | 817.10 mi (1,314.99 km) |
| Harker Heights to Rincon (Georgia) | 967.71 mi (1,557.37 km) |
| Harker Heights to Ringwood (New Jersey) | 1,471.53 mi (2,368.20 km) |
| Harker Heights to Río Grande (Puerto Rico) | 2,169.58 mi (3,491.61 km) |
| Harker Heights to Rio Grande City (Texas) | 330.88 mi (532.49 km) |
| Harker Heights to Rio Linda (California) | 1,443.05 mi (2,322.36 km) |
| Harker Heights to Rio Rancho (New Mexico) | 599.27 mi (964.43 km) |
| Harker Heights to Rio Rico (Arizona) | 788.08 mi (1,268.30 km) |
| Harker Heights to Ripon (California) | 1,411.79 mi (2,272.05 km) |
| Harker Heights to River Edge (New Jersey) | 1,478.77 mi (2,379.85 km) |
| Harker Heights to River Falls (Wisconsin) | 991.65 mi (1,595.90 km) |
| Harker Heights to River Forest (Illinois) | 925.25 mi (1,489.05 km) |
| Harker Heights to River Grove (Illinois) | 926.23 mi (1,490.62 km) |
