| South San Francisco to Wayne (Michigan) | 2,073.04 mi (3,336.23 km) |
| South San Francisco to Waynesboro (Pennsylvania) | 2,396.66 mi (3,857.06 km) |
| South San Francisco to Waynesboro (Virginia) | 2,351.83 mi (3,784.91 km) |
| South San Francisco to Weatherford (Oklahoma) | 1,321.13 mi (2,126.15 km) |
| South San Francisco to Weatherford (Texas) | 1,427.56 mi (2,297.44 km) |
| South San Francisco to Webb City (Missouri) | 1,529.01 mi (2,460.70 km) |
| South San Francisco to Webster (Texas) | 1,661.23 mi (2,673.49 km) |
| South San Francisco to Webster Groves (Missouri) | 1,735.28 mi (2,792.67 km) |
| South San Francisco to Weddington (North Carolina) | 2,307.93 mi (3,714.25 km) |
| South San Francisco to Weigelstown (Pennsylvania) | 2,432.63 mi (3,914.95 km) |
| South San Francisco to Weirton (West Virginia) | 2,233.40 mi (3,594.32 km) |
| South San Francisco to Wekiwa Springs (Florida) | 2,429.58 mi (3,910.04 km) |
| South San Francisco to Welby (Colorado) | 951.03 mi (1,530.53 km) |
| South San Francisco to Wellington (Colorado) | 954.45 mi (1,536.04 km) |
| South San Francisco to Wellington (Florida) | 2,556.66 mi (4,114.55 km) |
