| Sun Prairie to Siloam Springs (Arkansas) | 559.24 mi (900.01 km) |
| Sun Prairie to Silver Firs (Washington) | 1,612.91 mi (2,595.72 km) |
| Sun Prairie to Silver Spring (Maryland) | 697.68 mi (1,122.80 km) |
| Sun Prairie to Silver Springs Shores (Florida) | 1,051.27 mi (1,691.86 km) |
| Sun Prairie to Silverdale (Washington) | 1,637.94 mi (2,636.00 km) |
| Sun Prairie to Silverton (Oregon) | 1,657.43 mi (2,667.38 km) |
| Sun Prairie to Simi Valley (California) | 1,695.05 mi (2,727.91 km) |
| Sun Prairie to Simpsonville (South Carolina) | 693.52 mi (1,116.11 km) |
| Sun Prairie to Sioux City (Iowa) | 365.42 mi (588.08 km) |
| Sun Prairie to Sioux Falls (South Dakota) | 377.18 mi (607.01 km) |
| Sun Prairie to Skokie (Illinois) | 109.83 mi (176.76 km) |
| Sun Prairie to Sleepy Hollow (New York) | 799.10 mi (1,286.02 km) |
| Sun Prairie to Slidell (Louisiana) | 891.38 mi (1,434.54 km) |
| Sun Prairie to Smithfield (North Carolina) | 785.62 mi (1,264.34 km) |
| Sun Prairie to Smithfield (Utah) | 1,150.86 mi (1,852.13 km) |
