| Fort Madison to Santa Rosa (California) | 1,668.79 mi (2,685.66 km) |
| Fort Madison to Santaquin (Utah) | 1,075.84 mi (1,731.40 km) |
| Fort Madison to Santee (California) | 1,510.64 mi (2,431.15 km) |
| Fort Madison to Sapulpa (Oklahoma) | 409.51 mi (659.05 km) |
| Fort Madison to Saraland (Alabama) | 699.26 mi (1,125.35 km) |
| Fort Madison to Sarasota (Florida) | 1,045.93 mi (1,683.26 km) |
| Fort Madison to Sarasota Springs (Florida) | 1,049.66 mi (1,689.27 km) |
| Fort Madison to Saratoga (California) | 1,656.10 mi (2,665.23 km) |
| Fort Madison to Saratoga Springs (New York) | 918.41 mi (1,478.04 km) |
| Fort Madison to Saratoga Springs (Utah) | 1,078.42 mi (1,735.54 km) |
| Fort Madison to Sartell (Minnesota) | 374.37 mi (602.49 km) |
| Fort Madison to Satellite Beach (Florida) | 1,053.89 mi (1,696.07 km) |
| Fort Madison to Sauk Rapids (Minnesota) | 371.77 mi (598.30 km) |
| Fort Madison to Sault Ste. Marie (Michigan) | 534.46 mi (860.13 km) |
| Fort Madison to Savage (Minnesota) | 303.32 mi (488.15 km) |
