| Duluth to Stephenville (Texas) | 1,056.18 mi (1,699.76 km) |
| Duluth to Sterling (Colorado) | 695.83 mi (1,119.83 km) |
| Duluth to Sterling (Illinois) | 364.38 mi (586.42 km) |
| Duluth to Sterling (Virginia) | 916.56 mi (1,475.06 km) |
| Duluth to Sterling Heights (Michigan) | 532.64 mi (857.20 km) |
| Duluth to Steubenville (Ohio) | 724.60 mi (1,166.14 km) |
| Duluth to Stevens Point (Wisconsin) | 199.55 mi (321.15 km) |
| Duluth to Stevenson Ranch (California) | 1,618.63 mi (2,604.93 km) |
| Duluth to Stillwater (Minnesota) | 123.29 mi (198.42 km) |
| Duluth to Stillwater (Oklahoma) | 778.14 mi (1,252.30 km) |
| Duluth to Stockbridge (Georgia) | 1,005.03 mi (1,617.43 km) |
| Duluth to Stockton (California) | 1,596.69 mi (2,569.63 km) |
| Duluth to Stone Ridge (Virginia) | 913.86 mi (1,470.72 km) |
| Duluth to Stonecrest (Georgia) | 996.88 mi (1,604.33 km) |
| Duluth to Stony Brook (New York) | 1,027.21 mi (1,653.14 km) |
