| Rockwall to Hickory Hills (Illinois) | 769.92 mi (1,239.06 km) |
| Rockwall to Hicksville (New York) | 1,372.85 mi (2,209.38 km) |
| Rockwall to Hidalgo (Texas) | 482.76 mi (776.93 km) |
| Rockwall to High Point (North Carolina) | 959.35 mi (1,543.92 km) |
| Rockwall to Highland (California) | 1,194.85 mi (1,922.92 km) |
| Rockwall to Highland (Illinois) | 553.02 mi (890.00 km) |
| Rockwall to Highland (Indiana) | 773.42 mi (1,244.69 km) |
| Rockwall to Highland (Utah) | 994.67 mi (1,600.77 km) |
| Rockwall to Highland City (Florida) | 931.31 mi (1,498.80 km) |
| Rockwall to Highland Park (Illinois) | 794.76 mi (1,279.05 km) |
| Rockwall to Highland Park (New Jersey) | 1,322.27 mi (2,127.99 km) |
| Rockwall to Highland Springs (Virginia) | 1,122.65 mi (1,806.73 km) |
| Rockwall to Highland Village (Texas) | 38.08 mi (61.29 km) |
| Rockwall to Highlands Ranch (Colorado) | 659.49 mi (1,061.34 km) |
| Rockwall to Hillcrest (California) | 1,296.08 mi (2,085.83 km) |
