| Rockwall to Reading (Pennsylvania) | 1,243.67 mi (2,001.50 km) |
| Rockwall to Red Bank (New Jersey) | 1,337.65 mi (2,152.73 km) |
| Rockwall to Red Bank (Tennessee) | 655.45 mi (1,054.84 km) |
| Rockwall to Red Bluff (California) | 1,511.05 mi (2,431.80 km) |
| Rockwall to Red Hill (South Carolina) | 1,006.36 mi (1,619.58 km) |
| Rockwall to Red Oak (Texas) | 34.05 mi (54.80 km) |
| Rockwall to Red Wing (Minnesota) | 831.75 mi (1,338.57 km) |
| Rockwall to Redan (Georgia) | 710.37 mi (1,143.24 km) |
| Rockwall to Redding (California) | 1,522.94 mi (2,450.94 km) |
| Rockwall to Redland (Maryland) | 1,157.48 mi (1,862.79 km) |
| Rockwall to Redlands (California) | 1,195.34 mi (1,923.72 km) |
| Rockwall to Redmond (Oregon) | 1,540.18 mi (2,478.68 km) |
| Rockwall to Redmond (Washington) | 1,681.13 mi (2,705.52 km) |
| Rockwall to Redondo Beach (California) | 1,264.96 mi (2,035.75 km) |
| Rockwall to Redwood City (California) | 1,484.88 mi (2,389.68 km) |
