| South San Francisco to Waimea (Hawaii) | 2,332.34 mi (3,753.54 km) |
| South San Francisco to Waipahu (Hawaii) | 2,396.80 mi (3,857.27 km) |
| South San Francisco to Waipio (Hawaii) | 2,394.94 mi (3,854.28 km) |
| South San Francisco to Wake Forest (North Carolina) | 2,409.31 mi (3,877.41 km) |
| South San Francisco to Wakefield (Virginia) | 2,427.82 mi (3,907.19 km) |
| South San Francisco to Waldorf (Maryland) | 2,448.00 mi (3,939.67 km) |
| South San Francisco to Walker (Michigan) | 1,950.80 mi (3,139.51 km) |
| South San Francisco to Walker Mill (Maryland) | 2,445.66 mi (3,935.91 km) |
| South San Francisco to Walla Walla (Washington) | 617.88 mi (994.38 km) |
| South San Francisco to Wallingford Center (Connecticut) | 2,619.25 mi (4,215.28 km) |
| South San Francisco to Wallington (New Jersey) | 2,561.50 mi (4,122.33 km) |
| South San Francisco to Walnut (California) | 357.41 mi (575.20 km) |
| South San Francisco to Walnut Creek (California) | 26.93 mi (43.33 km) |
| South San Francisco to Walnut Park (California) | 346.56 mi (557.74 km) |
| South San Francisco to Waltham (Massachusetts) | 2,686.59 mi (4,323.65 km) |
