| Port Lavaca to Rockville (Maryland) | 1,326.43 mi (2,134.67 km) |
| Port Lavaca to Rockville Centre (New York) | 1,541.99 mi (2,481.59 km) |
| Port Lavaca to Rockwall (Texas) | 297.23 mi (478.35 km) |
| Port Lavaca to Rocky Mount (North Carolina) | 1,208.26 mi (1,944.50 km) |
| Port Lavaca to Rocky Point (New York) | 1,583.19 mi (2,547.90 km) |
| Port Lavaca to Rocky River (Ohio) | 1,215.95 mi (1,956.88 km) |
| Port Lavaca to Roessleville (New York) | 1,600.16 mi (2,575.21 km) |
| Port Lavaca to Rogers (Arkansas) | 551.09 mi (886.90 km) |
| Port Lavaca to Rogers (Minnesota) | 1,156.87 mi (1,861.80 km) |
| Port Lavaca to Rohnert Park (California) | 1,638.34 mi (2,636.65 km) |
| Port Lavaca to Rolla (Missouri) | 702.84 mi (1,131.11 km) |
| Port Lavaca to Rolling Meadows (Illinois) | 1,047.20 mi (1,685.31 km) |
| Port Lavaca to Roma (Texas) | 210.64 mi (339.00 km) |
| Port Lavaca to Rome (Georgia) | 778.45 mi (1,252.80 km) |
| Port Lavaca to Rome (New York) | 1,546.71 mi (2,489.19 km) |
