| Sulphur to Ridgefield Park (New Jersey) | 1,307.06 mi (2,103.51 km) |
| Sulphur to Ridgeland (Mississippi) | 242.59 mi (390.41 km) |
| Sulphur to Ridgewood (New Jersey) | 1,306.99 mi (2,103.40 km) |
| Sulphur to Rifle (Colorado) | 1,037.52 mi (1,669.73 km) |
| Sulphur to Rincon (Georgia) | 729.56 mi (1,174.12 km) |
| Sulphur to Ringwood (New Jersey) | 1,303.73 mi (2,098.16 km) |
| Sulphur to Río Grande (Puerto Rico) | 1,909.34 mi (3,072.79 km) |
| Sulphur to Rio Grande City (Texas) | 425.56 mi (684.87 km) |
| Sulphur to Rio Linda (California) | 1,695.21 mi (2,728.18 km) |
| Sulphur to Rio Rancho (New Mexico) | 849.38 mi (1,366.95 km) |
| Sulphur to Rio Rico (Arizona) | 1,048.27 mi (1,687.03 km) |
| Sulphur to Ripon (California) | 1,666.48 mi (2,681.94 km) |
| Sulphur to River Edge (New Jersey) | 1,308.57 mi (2,105.94 km) |
| Sulphur to River Falls (Wisconsin) | 1,011.78 mi (1,628.30 km) |
| Sulphur to River Forest (Illinois) | 862.85 mi (1,388.63 km) |
