| Sulphur to Rowlett (Texas) | 264.12 mi (425.07 km) |
| Sulphur to Roy (Utah) | 1,288.30 mi (2,073.32 km) |
| Sulphur to Royal Kunia (Hawaii) | 4,017.14 mi (6,464.97 km) |
| Sulphur to Royal Oak (Michigan) | 1,019.08 mi (1,640.05 km) |
| Sulphur to Royal Palm Beach (Florida) | 833.41 mi (1,341.24 km) |
| Sulphur to Royse City (Texas) | 257.65 mi (414.65 km) |
| Sulphur to Ruskin (Florida) | 683.31 mi (1,099.68 km) |
| Sulphur to Russellville (Alabama) | 441.67 mi (710.80 km) |
| Sulphur to Russellville (Arkansas) | 348.99 mi (561.64 km) |
| Sulphur to Ruston (Louisiana) | 164.78 mi (265.18 km) |
| Sulphur to Rutherford (New Jersey) | 1,302.01 mi (2,095.38 km) |
| Sulphur to Rutland (Vermont) | 1,449.64 mi (2,332.97 km) |
| Sulphur to Sabana Grande (Puerto Rico) | 1,856.75 mi (2,988.14 km) |
| Sulphur to Sachse (Texas) | 268.13 mi (431.52 km) |
| Sulphur to Saco (Maine) | 1,555.45 mi (2,503.25 km) |
