| Harker Heights to Robertsville (New Jersey) | 1,452.67 mi (2,337.84 km) |
| Harker Heights to Robinson (Texas) | 41.19 mi (66.29 km) |
| Harker Heights to Robstown (Texas) | 225.47 mi (362.86 km) |
| Harker Heights to Rochester (Michigan) | 1,132.68 mi (1,822.87 km) |
| Harker Heights to Rochester (Minnesota) | 938.49 mi (1,510.36 km) |
| Harker Heights to Rochester (New Hampshire) | 1,683.33 mi (2,709.05 km) |
| Harker Heights to Rochester (New York) | 1,378.80 mi (2,218.96 km) |
| Harker Heights to Rochester Hills (Michigan) | 1,130.28 mi (1,819.01 km) |
| Harker Heights to Rock Hill (South Carolina) | 998.43 mi (1,606.81 km) |
| Harker Heights to Rock Island (Illinois) | 819.27 mi (1,318.48 km) |
| Harker Heights to Rock Springs (Wyoming) | 970.45 mi (1,561.79 km) |
| Harker Heights to Rockford (Illinois) | 907.31 mi (1,460.18 km) |
| Harker Heights to Rockledge (Florida) | 1,031.30 mi (1,659.71 km) |
| Harker Heights to Rocklin (California) | 1,435.05 mi (2,309.49 km) |
| Harker Heights to Rockport (Texas) | 212.04 mi (341.24 km) |
