| Diamond Bar to Silver Firs (Washington) | 983.86 mi (1,583.37 km) |
| Diamond Bar to Silver Spring (Maryland) | 2,272.85 mi (3,657.80 km) |
| Diamond Bar to Silver Springs Shores (Florida) | 2,123.83 mi (3,417.97 km) |
| Diamond Bar to Silverdale (Washington) | 977.46 mi (1,573.07 km) |
| Diamond Bar to Silverton (Oregon) | 804.63 mi (1,294.92 km) |
| Diamond Bar to Simi Valley (California) | 56.46 mi (90.86 km) |
| Diamond Bar to Simpsonville (South Carolina) | 2,018.06 mi (3,247.76 km) |
| Diamond Bar to Sioux City (Iowa) | 1,297.36 mi (2,087.90 km) |
| Diamond Bar to Sioux Falls (South Dakota) | 1,307.73 mi (2,104.59 km) |
| Diamond Bar to Skokie (Illinois) | 1,718.26 mi (2,765.27 km) |
| Diamond Bar to Sleepy Hollow (New York) | 2,430.25 mi (3,911.10 km) |
| Diamond Bar to Slidell (Louisiana) | 1,654.66 mi (2,662.91 km) |
| Diamond Bar to Smithfield (North Carolina) | 2,227.82 mi (3,585.33 km) |
| Diamond Bar to Smithfield (Utah) | 631.82 mi (1,016.81 km) |
| Diamond Bar to Smithville (Missouri) | 1,336.13 mi (2,150.30 km) |
