| Galveston to Rockville (Maryland) | 1,217.05 mi (1,958.66 km) |
| Galveston to Rockville Centre (New York) | 1,432.91 mi (2,306.05 km) |
| Galveston to Rockwall (Texas) | 269.46 mi (433.66 km) |
| Galveston to Rocky Mount (North Carolina) | 1,095.44 mi (1,762.94 km) |
| Galveston to Rocky Point (New York) | 1,474.14 mi (2,372.39 km) |
| Galveston to Rocky River (Ohio) | 1,116.67 mi (1,797.11 km) |
| Galveston to Roessleville (New York) | 1,494.25 mi (2,404.76 km) |
| Galveston to Rogers (Arkansas) | 490.27 mi (789.01 km) |
| Galveston to Rogers (Minnesota) | 1,103.54 mi (1,775.98 km) |
| Galveston to Rohnert Park (California) | 1,707.55 mi (2,748.04 km) |
| Galveston to Rolla (Missouri) | 627.25 mi (1,009.46 km) |
| Galveston to Rolling Meadows (Illinois) | 965.55 mi (1,553.91 km) |
| Galveston to Roma (Texas) | 318.53 mi (512.63 km) |
| Galveston to Rome (Georgia) | 666.80 mi (1,073.10 km) |
| Galveston to Rome (New York) | 1,443.08 mi (2,322.41 km) |
