| Walnut Creek to Keene (New Hampshire) | 2,600.98 mi (4,185.87 km) |
| Walnut Creek to Keizer (Oregon) | 493.22 mi (793.76 km) |
| Walnut Creek to Keller (Texas) | 1,434.11 mi (2,307.98 km) |
| Walnut Creek to Kelso (Washington) | 569.70 mi (916.84 km) |
| Walnut Creek to Kemp Mill (Maryland) | 2,411.29 mi (3,880.59 km) |
| Walnut Creek to Ken Caryl (Colorado) | 918.08 mi (1,477.50 km) |
| Walnut Creek to Kendale Lakes (Florida) | 2,561.49 mi (4,122.33 km) |
| Walnut Creek to Kendall (Florida) | 2,565.63 mi (4,128.98 km) |
| Walnut Creek to Kendall Park (New Jersey) | 2,518.82 mi (4,053.64 km) |
| Walnut Creek to Kendall West (Florida) | 2,559.87 mi (4,119.71 km) |
| Walnut Creek to Kenmore (New York) | 2,271.72 mi (3,655.98 km) |
| Walnut Creek to Kenmore (Washington) | 680.60 mi (1,095.31 km) |
| Walnut Creek to Kenner (Louisiana) | 1,891.05 mi (3,043.35 km) |
| Walnut Creek to Kennesaw (Georgia) | 2,095.74 mi (3,372.76 km) |
| Walnut Creek to Kennett (Missouri) | 1,758.76 mi (2,830.46 km) |
