| Fort Madison to Stephenville (Texas) | 694.59 mi (1,117.84 km) |
| Fort Madison to Sterling (Colorado) | 620.56 mi (998.69 km) |
| Fort Madison to Sterling (Illinois) | 118.48 mi (190.67 km) |
| Fort Madison to Sterling (Virginia) | 747.71 mi (1,203.32 km) |
| Fort Madison to Sterling Heights (Michigan) | 450.50 mi (725.00 km) |
| Fort Madison to Steubenville (Ohio) | 562.10 mi (904.62 km) |
| Fort Madison to Stevens Point (Wisconsin) | 284.81 mi (458.35 km) |
| Fort Madison to Stevenson Ranch (California) | 1,546.73 mi (2,489.22 km) |
| Fort Madison to Stillwater (Minnesota) | 315.57 mi (507.85 km) |
| Fort Madison to Stillwater (Oklahoma) | 438.33 mi (705.42 km) |
| Fort Madison to Stockbridge (Georgia) | 627.57 mi (1,009.98 km) |
| Fort Madison to Stockton (California) | 1,604.48 mi (2,582.16 km) |
| Fort Madison to Stone Ridge (Virginia) | 741.02 mi (1,192.56 km) |
| Fort Madison to Stonecrest (Georgia) | 622.02 mi (1,001.04 km) |
| Fort Madison to Stony Brook (New York) | 952.13 mi (1,532.31 km) |
