| Harker Heights to River Ridge (Louisiana) | 448.33 mi (721.51 km) |
| Harker Heights to Riverbank (California) | 1,401.53 mi (2,255.54 km) |
| Harker Heights to Riverdale (Georgia) | 791.38 mi (1,273.60 km) |
| Harker Heights to Riverdale (Illinois) | 917.95 mi (1,477.30 km) |
| Harker Heights to Riverside (California) | 1,166.12 mi (1,876.69 km) |
| Harker Heights to Riverside (Ohio) | 969.29 mi (1,559.92 km) |
| Harker Heights to Riverton (Utah) | 1,032.69 mi (1,661.95 km) |
| Harker Heights to Riverton (Wyoming) | 1,017.13 mi (1,636.91 km) |
| Harker Heights to Riverview (Florida) | 948.95 mi (1,527.18 km) |
| Harker Heights to Riverview (Michigan) | 1,106.99 mi (1,781.52 km) |
| Harker Heights to Riviera Beach (Florida) | 1,101.52 mi (1,772.73 km) |
| Harker Heights to Riviera Beach (Maryland) | 1,314.23 mi (2,115.04 km) |
| Harker Heights to Roanoke (Virginia) | 1,096.41 mi (1,764.50 km) |
| Harker Heights to Roanoke Rapids (North Carolina) | 1,204.86 mi (1,939.03 km) |
| Harker Heights to Robbinsdale (Minnesota) | 992.87 mi (1,597.86 km) |
