| Diamond Bar to Kinston (North Carolina) | 2,272.49 mi (3,657.21 km) |
| Diamond Bar to Kirkland (Washington) | 973.41 mi (1,566.56 km) |
| Diamond Bar to Kirksville (Missouri) | 1,449.72 mi (2,333.10 km) |
| Diamond Bar to Kirkwood (Missouri) | 1,552.09 mi (2,497.85 km) |
| Diamond Bar to Kiryas Joel (New York) | 2,414.17 mi (3,885.23 km) |
| Diamond Bar to Kissimmee (Florida) | 2,176.31 mi (3,502.44 km) |
| Diamond Bar to Klamath Falls (Oregon) | 607.19 mi (977.19 km) |
| Diamond Bar to Knightdale (North Carolina) | 2,216.74 mi (3,567.50 km) |
| Diamond Bar to Knik-Fairview (Alaska) | 2,359.75 mi (3,797.65 km) |
| Diamond Bar to Knoxville (Tennessee) | 1,912.38 mi (3,077.68 km) |
| Diamond Bar to Kokomo (Indiana) | 1,789.07 mi (2,879.22 km) |
| Diamond Bar to Kuna (Idaho) | 660.05 mi (1,062.25 km) |
| Diamond Bar to Kyle (Texas) | 1,198.11 mi (1,928.18 km) |
| Diamond Bar to La Cañada Flintridge (California) | 26.35 mi (42.41 km) |
| Diamond Bar to La Crescenta-Montrose (California) | 28.88 mi (46.48 km) |
