| Fort Madison to St. George (Utah) | 1,217.26 mi (1,958.99 km) |
| Fort Madison to St. Helens (Oregon) | 1,613.40 mi (2,596.51 km) |
| Fort Madison to St. James (New York) | 951.04 mi (1,530.56 km) |
| Fort Madison to St. John (Indiana) | 210.09 mi (338.11 km) |
| Fort Madison to St. Joseph (Missouri) | 192.56 mi (309.89 km) |
| Fort Madison to St. Louis (Missouri) | 149.23 mi (240.15 km) |
| Fort Madison to St. Louis Park (Minnesota) | 315.97 mi (508.51 km) |
| Fort Madison to St. Marys (Georgia) | 873.77 mi (1,406.20 km) |
| Fort Madison to St. Marys (Pennsylvania) | 669.81 mi (1,077.96 km) |
| Fort Madison to St. Matthews (Kentucky) | 345.97 mi (556.78 km) |
| Fort Madison to St. Michael (Minnesota) | 337.90 mi (543.80 km) |
| Fort Madison to St. Paul (Minnesota) | 311.89 mi (501.93 km) |
| Fort Madison to St. Peter (Minnesota) | 288.79 mi (464.76 km) |
| Fort Madison to St. Peters (Missouri) | 133.03 mi (214.10 km) |
| Fort Madison to St. Petersburg (Florida) | 1,014.52 mi (1,632.70 km) |
