| Dumas to Superior (Colorado) | 330.88 mi (532.50 km) |
| Dumas to Superior (Wisconsin) | 905.88 mi (1,457.87 km) |
| Dumas to Surprise (Arizona) | 613.62 mi (987.53 km) |
| Dumas to Susanville (California) | 1,058.88 mi (1,704.10 km) |
| Dumas to Sussex (Wisconsin) | 886.61 mi (1,426.86 km) |
| Dumas to Suwanee (Georgia) | 1,019.64 mi (1,640.94 km) |
| Dumas to Swansea (Illinois) | 684.29 mi (1,101.25 km) |
| Dumas to Sweetwater (Florida) | 1,453.36 mi (2,338.95 km) |
| Dumas to Sweetwater (Texas) | 250.65 mi (403.39 km) |
| Dumas to Sycamore (Illinois) | 828.84 mi (1,333.88 km) |
| Dumas to Sylacauga (Alabama) | 911.93 mi (1,467.60 km) |
| Dumas to Sylvania (Ohio) | 1,060.30 mi (1,706.39 km) |
| Dumas to Syosset (New York) | 1,572.61 mi (2,530.87 km) |
| Dumas to Syracuse (New York) | 1,457.10 mi (2,344.97 km) |
| Dumas to Syracuse (Utah) | 654.39 mi (1,053.14 km) |
