| San Mateo to Kingsville (Texas) | 1,577.86 mi (2,539.33 km) |
| San Mateo to Kinston (North Carolina) | 2,467.98 mi (3,971.83 km) |
| San Mateo to Kirkland (Washington) | 700.96 mi (1,128.08 km) |
| San Mateo to Kirksville (Missouri) | 1,602.41 mi (2,578.84 km) |
| San Mateo to Kirkwood (Missouri) | 1,727.56 mi (2,780.24 km) |
| San Mateo to Kiryas Joel (New York) | 2,549.12 mi (4,102.41 km) |
| San Mateo to Kissimmee (Florida) | 2,435.67 mi (3,919.83 km) |
| San Mateo to Klamath Falls (Oregon) | 323.73 mi (520.99 km) |
| San Mateo to Knightdale (North Carolina) | 2,409.11 mi (3,877.09 km) |
| San Mateo to Knik-Fairview (Alaska) | 2,027.47 mi (3,262.89 km) |
| San Mateo to Knoxville (Tennessee) | 2,111.56 mi (3,398.22 km) |
| San Mateo to Kokomo (Indiana) | 1,939.48 mi (3,121.29 km) |
| San Mateo to Kuna (Idaho) | 514.33 mi (827.73 km) |
| San Mateo to Kyle (Texas) | 1,491.63 mi (2,400.55 km) |
| San Mateo to La Cañada Flintridge (California) | 326.00 mi (524.65 km) |
