| San Bruno to Silver Firs (Washington) | 707.51 mi (1,138.63 km) |
| San Bruno to Silver Spring (Maryland) | 2,437.82 mi (3,923.29 km) |
| San Bruno to Silver Springs Shores (Florida) | 2,385.66 mi (3,839.35 km) |
| San Bruno to Silverdale (Washington) | 693.86 mi (1,116.66 km) |
| San Bruno to Silverton (Oregon) | 510.05 mi (820.85 km) |
| San Bruno to Simi Valley (California) | 310.26 mi (499.32 km) |
| San Bruno to Simpsonville (South Carolina) | 2,232.48 mi (3,592.83 km) |
| San Bruno to Sioux City (Iowa) | 1,411.53 mi (2,271.64 km) |
| San Bruno to Sioux Falls (South Dakota) | 1,402.67 mi (2,257.38 km) |
| San Bruno to Skokie (Illinois) | 1,852.75 mi (2,981.72 km) |
| San Bruno to Sleepy Hollow (New York) | 2,571.60 mi (4,138.58 km) |
| San Bruno to Slidell (Louisiana) | 1,927.81 mi (3,102.51 km) |
| San Bruno to Smithfield (North Carolina) | 2,427.97 mi (3,907.45 km) |
| San Bruno to Smithfield (Utah) | 633.49 mi (1,019.51 km) |
| San Bruno to Smithville (Missouri) | 1,505.06 mi (2,422.16 km) |
