| Valley Center to Kingsville (Texas) | 1,206.18 mi (1,941.16 km) |
| Valley Center to Kinston (North Carolina) | 2,241.00 mi (3,606.54 km) |
| Valley Center to Kirkland (Washington) | 1,035.31 mi (1,666.18 km) |
| Valley Center to Kirksville (Missouri) | 1,431.07 mi (2,303.09 km) |
| Valley Center to Kirkwood (Missouri) | 1,527.67 mi (2,458.54 km) |
| Valley Center to Kiryas Joel (New York) | 2,395.61 mi (3,855.37 km) |
| Valley Center to Kissimmee (Florida) | 2,130.32 mi (3,428.42 km) |
| Valley Center to Klamath Falls (Oregon) | 672.89 mi (1,082.91 km) |
| Valley Center to Knightdale (North Carolina) | 2,186.09 mi (3,518.17 km) |
| Valley Center to Knik-Fairview (Alaska) | 2,427.69 mi (3,907.00 km) |
| Valley Center to Knoxville (Tennessee) | 1,881.05 mi (3,027.25 km) |
| Valley Center to Kokomo (Indiana) | 1,769.18 mi (2,847.22 km) |
| Valley Center to Kuna (Idaho) | 709.35 mi (1,141.59 km) |
| Valley Center to Kyle (Texas) | 1,145.96 mi (1,844.24 km) |
| Valley Center to La Cañada Flintridge (California) | 95.85 mi (154.25 km) |
