| South San Francisco to West St. Paul (Minnesota) | 1,593.19 mi (2,563.99 km) |
| South San Francisco to West University Place (Texas) | 1,638.70 mi (2,637.23 km) |
| South San Francisco to West Valley City (Utah) | 595.13 mi (957.77 km) |
| South San Francisco to West Whittier-Los Nietos (California) | 352.04 mi (566.56 km) |
| South San Francisco to Westbrook (Maine) | 2,714.86 mi (4,369.14 km) |
| South San Francisco to Westbury (New York) | 2,589.32 mi (4,167.11 km) |
| South San Francisco to Westchase (Florida) | 2,384.21 mi (3,837.02 km) |
| South San Francisco to Westchester (Florida) | 2,581.86 mi (4,155.10 km) |
| South San Francisco to Westchester (Illinois) | 1,844.28 mi (2,968.08 km) |
| South San Francisco to Western Springs (Illinois) | 1,843.91 mi (2,967.49 km) |
| South San Francisco to Westerville (Ohio) | 2,113.61 mi (3,401.53 km) |
| South San Francisco to Westfield (Indiana) | 1,945.09 mi (3,130.32 km) |
| South San Francisco to Westfield (Massachusetts) | 2,613.63 mi (4,206.22 km) |
| South San Francisco to Westfield (New Jersey) | 2,552.11 mi (4,107.23 km) |
| South San Francisco to Westlake (Ohio) | 2,153.18 mi (3,465.21 km) |
