| South San Francisco to Kennewick (Washington) | 613.32 mi (987.05 km) |
| South San Francisco to Kenosha (Wisconsin) | 1,843.35 mi (2,966.59 km) |
| South San Francisco to Kent (Ohio) | 2,185.01 mi (3,516.44 km) |
| South San Francisco to Kent (Washington) | 672.70 mi (1,082.60 km) |
| South San Francisco to Kentwood (Michigan) | 1,958.71 mi (3,152.23 km) |
| South San Francisco to Kerman (California) | 144.74 mi (232.94 km) |
| South San Francisco to Kernersville (North Carolina) | 2,322.22 mi (3,737.25 km) |
| South San Francisco to Kerrville (Texas) | 1,431.31 mi (2,303.48 km) |
| South San Francisco to Kettering (Maryland) | 2,450.53 mi (3,943.74 km) |
| South San Francisco to Kettering (Ohio) | 2,053.52 mi (3,304.82 km) |
| South San Francisco to Kewanee (Illinois) | 1,740.98 mi (2,801.84 km) |
| South San Francisco to Key Biscayne (Florida) | 2,593.92 mi (4,174.51 km) |
| South San Francisco to Key Largo (Florida) | 2,599.83 mi (4,184.01 km) |
| South San Francisco to Key West (Florida) | 2,545.27 mi (4,096.21 km) |
| South San Francisco to Keystone (Florida) | 2,382.61 mi (3,834.45 km) |
