| Walnut Creek to Kennewick (Washington) | 591.62 mi (952.11 km) |
| Walnut Creek to Kenosha (Wisconsin) | 1,817.79 mi (2,925.44 km) |
| Walnut Creek to Kent (Ohio) | 2,159.79 mi (3,475.84 km) |
| Walnut Creek to Kent (Washington) | 655.50 mi (1,054.92 km) |
| Walnut Creek to Kentwood (Michigan) | 1,933.03 mi (3,110.91 km) |
| Walnut Creek to Kerman (California) | 135.74 mi (218.46 km) |
| Walnut Creek to Kernersville (North Carolina) | 2,298.74 mi (3,699.47 km) |
| Walnut Creek to Kerrville (Texas) | 1,415.80 mi (2,278.51 km) |
| Walnut Creek to Kettering (Maryland) | 2,425.81 mi (3,903.97 km) |
| Walnut Creek to Kettering (Ohio) | 2,028.90 mi (3,265.20 km) |
| Walnut Creek to Kewanee (Illinois) | 1,715.93 mi (2,761.52 km) |
| Walnut Creek to Key Biscayne (Florida) | 2,575.21 mi (4,144.41 km) |
| Walnut Creek to Key Largo (Florida) | 2,581.46 mi (4,154.45 km) |
| Walnut Creek to Key West (Florida) | 2,527.54 mi (4,067.68 km) |
| Walnut Creek to Keystone (Florida) | 2,363.26 mi (3,803.30 km) |
