| Port Lavaca to Romeoville (Illinois) | 1,018.88 mi (1,639.73 km) |
| Port Lavaca to Romulus (Michigan) | 1,197.42 mi (1,927.07 km) |
| Port Lavaca to Ronkonkoma (New York) | 1,570.42 mi (2,527.35 km) |
| Port Lavaca to Roosevelt (New York) | 1,545.03 mi (2,486.49 km) |
| Port Lavaca to Rosamond (California) | 1,336.64 mi (2,151.11 km) |
| Port Lavaca to Rosaryville (Maryland) | 1,332.51 mi (2,144.46 km) |
| Port Lavaca to Roscoe (Illinois) | 1,044.69 mi (1,681.26 km) |
| Port Lavaca to Rose Hill (Virginia) | 1,319.47 mi (2,123.48 km) |
| Port Lavaca to Roseburg (Oregon) | 1,791.32 mi (2,882.85 km) |
| Port Lavaca to Rosedale (California) | 1,399.30 mi (2,251.95 km) |
| Port Lavaca to Rosedale (Maryland) | 1,364.91 mi (2,196.62 km) |
| Port Lavaca to Roselle (Illinois) | 1,040.03 mi (1,673.77 km) |
| Port Lavaca to Roselle (New Jersey) | 1,512.33 mi (2,433.86 km) |
| Port Lavaca to Roselle Park (New Jersey) | 1,512.40 mi (2,433.98 km) |
| Port Lavaca to Rosemead (California) | 1,317.95 mi (2,121.04 km) |
