| Port Lavaca to Rosemont (California) | 1,573.22 mi (2,531.85 km) |
| Port Lavaca to Rosemount (Minnesota) | 1,131.41 mi (1,820.82 km) |
| Port Lavaca to Rosenberg (Texas) | 80.45 mi (129.47 km) |
| Port Lavaca to Roseville (California) | 1,576.32 mi (2,536.84 km) |
| Port Lavaca to Roseville (Michigan) | 1,226.69 mi (1,974.16 km) |
| Port Lavaca to Roseville (Minnesota) | 1,148.83 mi (1,848.86 km) |
| Port Lavaca to Rossmoor (California) | 1,314.36 mi (2,115.27 km) |
| Port Lavaca to Rossville (Maryland) | 1,367.38 mi (2,200.58 km) |
| Port Lavaca to Roswell (Georgia) | 814.80 mi (1,311.29 km) |
| Port Lavaca to Roswell (New Mexico) | 571.48 mi (919.71 km) |
| Port Lavaca to Round Lake (Illinois) | 1,061.27 mi (1,707.95 km) |
| Port Lavaca to Round Lake Beach (Illinois) | 1,064.04 mi (1,712.40 km) |
| Port Lavaca to Round Rock (Texas) | 145.85 mi (234.73 km) |
| Port Lavaca to Rowland Heights (California) | 1,305.95 mi (2,101.73 km) |
| Port Lavaca to Rowlett (Texas) | 296.96 mi (477.91 km) |
