| Fort Dodge to Silver Firs (Washington) | 1,403.03 mi (2,257.95 km) |
| Fort Dodge to Silver Spring (Maryland) | 928.12 mi (1,493.67 km) |
| Fort Dodge to Silver Springs Shores (Florida) | 1,146.75 mi (1,845.52 km) |
| Fort Dodge to Silverdale (Washington) | 1,426.68 mi (2,296.01 km) |
| Fort Dodge to Silverton (Oregon) | 1,430.39 mi (2,301.98 km) |
| Fort Dodge to Simi Valley (California) | 1,440.89 mi (2,318.89 km) |
| Fort Dodge to Simpsonville (South Carolina) | 836.98 mi (1,346.99 km) |
| Fort Dodge to Sioux City (Iowa) | 112.83 mi (181.58 km) |
| Fort Dodge to Sioux Falls (South Dakota) | 147.41 mi (237.23 km) |
| Fort Dodge to Skokie (Illinois) | 330.54 mi (531.96 km) |
| Fort Dodge to Sleepy Hollow (New York) | 1,047.76 mi (1,686.21 km) |
| Fort Dodge to Slidell (Louisiana) | 878.67 mi (1,414.09 km) |
| Fort Dodge to Smithfield (North Carolina) | 975.22 mi (1,569.47 km) |
| Fort Dodge to Smithfield (Utah) | 903.44 mi (1,453.95 km) |
| Fort Dodge to Smithville (Missouri) | 216.43 mi (348.31 km) |
