| Federal Heights to Silver Firs (Washington) | 1,013.34 mi (1,630.82 km) |
| Federal Heights to Silver Spring (Maryland) | 1,489.00 mi (2,396.32 km) |
| Federal Heights to Silver Springs Shores (Florida) | 1,499.34 mi (2,412.95 km) |
| Federal Heights to Silverdale (Washington) | 1,029.67 mi (1,657.09 km) |
| Federal Heights to Silverton (Oregon) | 970.47 mi (1,561.82 km) |
| Federal Heights to Simi Valley (California) | 848.95 mi (1,366.25 km) |
| Federal Heights to Simpsonville (South Carolina) | 1,296.23 mi (2,086.08 km) |
| Federal Heights to Sioux City (Iowa) | 483.68 mi (778.40 km) |
| Federal Heights to Sioux Falls (South Dakota) | 496.72 mi (799.40 km) |
| Federal Heights to Skokie (Illinois) | 912.27 mi (1,468.16 km) |
| Federal Heights to Sleepy Hollow (New York) | 1,630.22 mi (2,623.59 km) |
| Federal Heights to Slidell (Louisiana) | 1,083.48 mi (1,743.70 km) |
| Federal Heights to Smithfield (North Carolina) | 1,482.83 mi (2,386.39 km) |
| Federal Heights to Smithfield (Utah) | 380.97 mi (613.11 km) |
| Federal Heights to Smithville (Missouri) | 556.25 mi (895.20 km) |
