| Fort Madison to San Diego (California) | 1,518.45 mi (2,443.71 km) |
| Fort Madison to San Diego Country Estates (California) | 1,495.53 mi (2,406.82 km) |
| Fort Madison to San Dimas (California) | 1,514.36 mi (2,437.12 km) |
| Fort Madison to San Fernando (California) | 1,541.69 mi (2,481.11 km) |
| Fort Madison to San Francisco (California) | 1,668.13 mi (2,684.60 km) |
| Fort Madison to San Gabriel (California) | 1,529.78 mi (2,461.95 km) |
| Fort Madison to San Germán (Puerto Rico) | 2,122.55 mi (3,415.92 km) |
| Fort Madison to San Jacinto (California) | 1,481.35 mi (2,384.01 km) |
| Fort Madison to San Jose (California) | 1,646.07 mi (2,649.09 km) |
| Fort Madison to San Juan (Puerto Rico) | 2,145.52 mi (3,452.88 km) |
| Fort Madison to San Juan (Texas) | 1,070.53 mi (1,722.86 km) |
| Fort Madison to San Juan Capistrano (California) | 1,524.59 mi (2,453.60 km) |
| Fort Madison to San Leandro (California) | 1,654.16 mi (2,662.12 km) |
| Fort Madison to San Lorenzo (California) | 1,653.44 mi (2,660.96 km) |
| Fort Madison to San Luis (Arizona) | 1,407.24 mi (2,264.73 km) |
