| Westmont to Kingsville (Texas) | 1,290.02 mi (2,076.09 km) |
| Westmont to Kinston (North Carolina) | 2,300.45 mi (3,702.22 km) |
| Westmont to Kirkland (Washington) | 971.74 mi (1,563.86 km) |
| Westmont to Kirksville (Missouri) | 1,476.69 mi (2,376.50 km) |
| Westmont to Kirkwood (Missouri) | 1,579.63 mi (2,542.17 km) |
| Westmont to Kiryas Joel (New York) | 2,441.04 mi (3,928.47 km) |
| Westmont to Kissimmee (Florida) | 2,204.13 mi (3,547.21 km) |
| Westmont to Klamath Falls (Oregon) | 602.18 mi (969.12 km) |
| Westmont to Knightdale (North Carolina) | 2,244.67 mi (3,612.44 km) |
| Westmont to Knik-Fairview (Alaska) | 2,350.91 mi (3,783.42 km) |
| Westmont to Knoxville (Tennessee) | 1,940.35 mi (3,122.69 km) |
| Westmont to Kokomo (Indiana) | 1,816.13 mi (2,922.79 km) |
| Westmont to Kuna (Idaho) | 667.51 mi (1,074.25 km) |
| Westmont to Kyle (Texas) | 1,225.18 mi (1,971.73 km) |
| Westmont to La Cañada Flintridge (California) | 19.41 mi (31.23 km) |
