| Fort Madison to Sanford (Maine) | 1,071.75 mi (1,724.82 km) |
| Fort Madison to Sanford (North Carolina) | 750.34 mi (1,207.56 km) |
| Fort Madison to Sanger (California) | 1,538.92 mi (2,476.64 km) |
| Fort Madison to Santa Ana (California) | 1,529.16 mi (2,460.95 km) |
| Fort Madison to Santa Barbara (California) | 1,604.57 mi (2,582.30 km) |
| Fort Madison to Santa Clara (California) | 1,651.04 mi (2,657.10 km) |
| Fort Madison to Santa Clara (Oregon) | 1,630.00 mi (2,623.24 km) |
| Fort Madison to Santa Clarita (California) | 1,541.15 mi (2,480.25 km) |
| Fort Madison to Santa Cruz (California) | 1,662.68 mi (2,675.83 km) |
| Fort Madison to Santa Fe (New Mexico) | 864.34 mi (1,391.02 km) |
| Fort Madison to Santa Fe (Texas) | 804.30 mi (1,294.40 km) |
| Fort Madison to Santa Fe Springs (California) | 1,532.65 mi (2,466.56 km) |
| Fort Madison to Santa Maria (California) | 1,628.55 mi (2,620.89 km) |
| Fort Madison to Santa Monica (California) | 1,551.68 mi (2,497.19 km) |
| Fort Madison to Santa Paula (California) | 1,572.55 mi (2,530.77 km) |
