| Fort Madison to Scottsboro (Alabama) | 504.45 mi (811.83 km) |
| Fort Madison to Scottsdale (Arizona) | 1,223.29 mi (1,968.69 km) |
| Fort Madison to Scranton (Pennsylvania) | 818.46 mi (1,317.19 km) |
| Fort Madison to Seabrook (Maryland) | 777.12 mi (1,250.66 km) |
| Fort Madison to Seabrook (Texas) | 790.70 mi (1,272.51 km) |
| Fort Madison to Seaford (New York) | 934.65 mi (1,504.17 km) |
| Fort Madison to Seagoville (Texas) | 621.00 mi (999.40 km) |
| Fort Madison to Seal Beach (California) | 1,538.44 mi (2,475.87 km) |
| Fort Madison to Searcy (Arkansas) | 372.23 mi (599.05 km) |
| Fort Madison to Seaside (California) | 1,659.27 mi (2,670.34 km) |
| Fort Madison to SeaTac (Washington) | 1,595.91 mi (2,568.37 km) |
| Fort Madison to Seattle (Washington) | 1,598.37 mi (2,572.33 km) |
| Fort Madison to Sebastian (Florida) | 1,080.93 mi (1,739.59 km) |
| Fort Madison to Sebring (Florida) | 1,068.74 mi (1,719.97 km) |
| Fort Madison to Secaucus (New Jersey) | 904.01 mi (1,454.87 km) |
