| Sulphur to Robbinsdale (Minnesota) | 1,022.41 mi (1,645.41 km) |
| Sulphur to Robertsville (New Jersey) | 1,277.84 mi (2,056.49 km) |
| Sulphur to Robinson (Texas) | 238.67 mi (384.10 km) |
| Sulphur to Robstown (Texas) | 310.12 mi (499.09 km) |
| Sulphur to Rochester (Michigan) | 1,029.98 mi (1,657.59 km) |
| Sulphur to Rochester (Minnesota) | 953.79 mi (1,534.97 km) |
| Sulphur to Rochester (New Hampshire) | 1,524.76 mi (2,453.86 km) |
| Sulphur to Rochester (New York) | 1,244.71 mi (2,003.16 km) |
| Sulphur to Rochester Hills (Michigan) | 1,027.65 mi (1,653.84 km) |
| Sulphur to Rock Hill (South Carolina) | 787.58 mi (1,267.49 km) |
| Sulphur to Rock Island (Illinois) | 791.96 mi (1,274.53 km) |
| Sulphur to Rock Springs (Wyoming) | 1,181.72 mi (1,901.79 km) |
| Sulphur to Rockford (Illinois) | 864.67 mi (1,391.55 km) |
| Sulphur to Rockledge (Florida) | 771.55 mi (1,241.68 km) |
| Sulphur to Rocklin (California) | 1,686.74 mi (2,714.54 km) |
