| South San Francisco to Kingsville (Texas) | 1,585.71 mi (2,551.96 km) |
| South San Francisco to Kinston (North Carolina) | 2,472.52 mi (3,979.14 km) |
| South San Francisco to Kirkland (Washington) | 694.00 mi (1,116.89 km) |
| South San Francisco to Kirksville (Missouri) | 1,606.17 mi (2,584.89 km) |
| South San Francisco to Kirkwood (Missouri) | 1,731.83 mi (2,787.12 km) |
| South San Francisco to Kiryas Joel (New York) | 2,552.06 mi (4,107.14 km) |
| South San Francisco to Kissimmee (Florida) | 2,441.91 mi (3,929.88 km) |
| South San Francisco to Klamath Falls (Oregon) | 317.30 mi (510.64 km) |
| South San Francisco to Knightdale (North Carolina) | 2,413.59 mi (3,884.29 km) |
| South San Francisco to Knik-Fairview (Alaska) | 2,018.56 mi (3,248.56 km) |
| South San Francisco to Knoxville (Tennessee) | 2,116.29 mi (3,405.84 km) |
| South San Francisco to Kokomo (Indiana) | 1,943.02 mi (3,126.98 km) |
| South San Francisco to Kuna (Idaho) | 512.07 mi (824.09 km) |
| South San Francisco to Kyle (Texas) | 1,498.97 mi (2,412.37 km) |
| South San Francisco to La Cañada Flintridge (California) | 335.11 mi (539.31 km) |
