| Bull Run to Silver Firs (Washington) | 2,294.64 mi (3,692.87 km) |
| Bull Run to Silver Spring (Maryland) | 30.96 mi (49.83 km) |
| Bull Run to Silver Springs Shores (Florida) | 715.65 mi (1,151.73 km) |
| Bull Run to Silverdale (Washington) | 2,319.70 mi (3,733.19 km) |
| Bull Run to Silverton (Oregon) | 2,336.03 mi (3,759.47 km) |
| Bull Run to Simi Valley (California) | 2,290.89 mi (3,686.83 km) |
| Bull Run to Simpsonville (South Carolina) | 383.43 mi (617.08 km) |
| Bull Run to Sioux City (Iowa) | 1,019.73 mi (1,641.10 km) |
| Bull Run to Sioux Falls (South Dakota) | 1,049.19 mi (1,688.51 km) |
| Bull Run to Skokie (Illinois) | 582.34 mi (937.18 km) |
| Bull Run to Sleepy Hollow (New York) | 250.76 mi (403.56 km) |
| Bull Run to Slidell (Louisiana) | 910.27 mi (1,464.95 km) |
| Bull Run to Smithfield (North Carolina) | 230.29 mi (370.62 km) |
| Bull Run to Smithfield (Utah) | 1,807.73 mi (2,909.27 km) |
| Bull Run to Smithville (Missouri) | 914.24 mi (1,471.33 km) |
