| South San Francisco to Westland (Michigan) | 2,073.19 mi (3,336.47 km) |
| South San Francisco to Westminster (California) | 366.41 mi (589.68 km) |
| South San Francisco to Westminster (Colorado) | 946.09 mi (1,522.59 km) |
| South San Francisco to Westminster (Maryland) | 2,429.03 mi (3,909.15 km) |
| South San Francisco to Westmont (California) | 344.93 mi (555.12 km) |
| South San Francisco to Westmont (Illinois) | 1,840.15 mi (2,961.43 km) |
| South San Francisco to Westmont (New Jersey) | 2,525.82 mi (4,064.92 km) |
| South San Francisco to Weston (Florida) | 2,567.18 mi (4,131.47 km) |
| South San Francisco to Weston (Wisconsin) | 1,765.12 mi (2,840.69 km) |
| South San Francisco to Westphalia (Maryland) | 2,449.19 mi (3,941.59 km) |
| South San Francisco to Westview (Florida) | 2,583.35 mi (4,157.51 km) |
| South San Francisco to Westwood (New Jersey) | 2,563.60 mi (4,125.71 km) |
| South San Francisco to Westwood Lakes (Florida) | 2,581.59 mi (4,154.67 km) |
| South San Francisco to Wheat Ridge (Colorado) | 943.47 mi (1,518.36 km) |
| South San Francisco to Wheaton (Illinois) | 1,833.06 mi (2,950.02 km) |
