| Sulphur to Superior (Colorado) | 944.36 mi (1,519.80 km) |
| Sulphur to Superior (Wisconsin) | 1,139.70 mi (1,834.17 km) |
| Sulphur to Surprise (Arizona) | 1,142.75 mi (1,839.08 km) |
| Sulphur to Susanville (California) | 1,681.09 mi (2,705.45 km) |
| Sulphur to Sussex (Wisconsin) | 935.50 mi (1,505.54 km) |
| Sulphur to Suwanee (Georgia) | 603.82 mi (971.75 km) |
| Sulphur to Swansea (Illinois) | 606.14 mi (975.49 km) |
| Sulphur to Sweetwater (Florida) | 848.77 mi (1,365.97 km) |
| Sulphur to Sweetwater (Texas) | 443.89 mi (714.38 km) |
| Sulphur to Sycamore (Illinois) | 853.50 mi (1,373.57 km) |
| Sulphur to Sylacauga (Alabama) | 464.09 mi (746.89 km) |
| Sulphur to Sylvania (Ohio) | 957.91 mi (1,541.60 km) |
| Sulphur to Syosset (New York) | 1,329.83 mi (2,140.16 km) |
| Sulphur to Syracuse (New York) | 1,296.86 mi (2,087.10 km) |
| Sulphur to Syracuse (Utah) | 1,286.32 mi (2,070.14 km) |
