| South San Francisco to Watervliet (New York) | 2,559.05 mi (4,118.39 km) |
| South San Francisco to Watsonville (California) | 61.95 mi (99.71 km) |
| South San Francisco to Wauconda (Illinois) | 1,830.66 mi (2,946.16 km) |
| South San Francisco to Waukee (Iowa) | 1,535.42 mi (2,471.03 km) |
| South San Francisco to Waukegan (Illinois) | 1,843.98 mi (2,967.60 km) |
| South San Francisco to Waukesha (Wisconsin) | 1,824.37 mi (2,936.04 km) |
| South San Francisco to Waunakee (Wisconsin) | 1,764.04 mi (2,838.95 km) |
| South San Francisco to Waupun (Wisconsin) | 1,800.27 mi (2,897.25 km) |
| South San Francisco to Wausau (Wisconsin) | 1,760.81 mi (2,833.76 km) |
| South San Francisco to Wauwatosa (Wisconsin) | 1,835.06 mi (2,953.24 km) |
| South San Francisco to Waverly (Iowa) | 1,610.09 mi (2,591.20 km) |
| South San Francisco to Waverly (Michigan) | 2,007.60 mi (3,230.92 km) |
| South San Francisco to Waxahachie (Texas) | 1,486.66 mi (2,392.54 km) |
| South San Francisco to Waxhaw (North Carolina) | 2,309.38 mi (3,716.59 km) |
| South San Francisco to Waycross (Georgia) | 2,308.08 mi (3,714.50 km) |
