| South San Francisco to Winder (Georgia) | 2,167.31 mi (3,487.95 km) |
| South San Francisco to Windsor (California) | 64.93 mi (104.49 km) |
| South San Francisco to Windsor (Colorado) | 957.08 mi (1,540.27 km) |
| South San Francisco to Winfield (Kansas) | 1,392.74 mi (2,241.39 km) |
| South San Francisco to Winnetka (Illinois) | 1,851.18 mi (2,979.19 km) |
| South San Francisco to Winona (Minnesota) | 1,656.09 mi (2,665.21 km) |
| South San Francisco to Winston-Salem (North Carolina) | 2,312.78 mi (3,722.06 km) |
| South San Francisco to Winter Garden (Florida) | 2,424.89 mi (3,902.49 km) |
| South San Francisco to Winter Gardens (California) | 454.57 mi (731.56 km) |
| South San Francisco to Winter Haven (Florida) | 2,435.33 mi (3,919.28 km) |
| South San Francisco to Winter Park (Florida) | 2,436.98 mi (3,921.95 km) |
| South San Francisco to Winter Springs (Florida) | 2,438.33 mi (3,924.11 km) |
| South San Francisco to Winterville (North Carolina) | 2,477.75 mi (3,987.56 km) |
| South San Francisco to Winton (California) | 100.49 mi (161.73 km) |
| South San Francisco to Wisconsin Rapids (Wisconsin) | 1,748.84 mi (2,814.48 km) |
