| Sulphur to Rome (New York) | 1,330.86 mi (2,141.82 km) |
| Sulphur to Romeoville (Illinois) | 840.54 mi (1,352.72 km) |
| Sulphur to Romulus (Michigan) | 996.85 mi (1,604.28 km) |
| Sulphur to Ronkonkoma (New York) | 1,347.08 mi (2,167.91 km) |
| Sulphur to Roosevelt (New York) | 1,321.76 mi (2,127.16 km) |
| Sulphur to Rosamond (California) | 1,478.75 mi (2,379.82 km) |
| Sulphur to Rosaryville (Maryland) | 1,108.19 mi (1,783.46 km) |
| Sulphur to Roscoe (Illinois) | 876.46 mi (1,410.53 km) |
| Sulphur to Rose Hill (Virginia) | 1,095.35 mi (1,762.80 km) |
| Sulphur to Roseburg (Oregon) | 1,873.71 mi (3,015.44 km) |
| Sulphur to Rosedale (California) | 1,538.07 mi (2,475.28 km) |
| Sulphur to Rosedale (Maryland) | 1,141.28 mi (1,836.72 km) |
| Sulphur to Roselle (Illinois) | 863.19 mi (1,389.18 km) |
| Sulphur to Roselle (New Jersey) | 1,289.44 mi (2,075.15 km) |
| Sulphur to Roselle Park (New Jersey) | 1,289.54 mi (2,075.31 km) |
