| Boynton Beach to Kinston (North Carolina) | 621.99 mi (1,001.00 km) |
| Boynton Beach to Kirkland (Washington) | 2,695.76 mi (4,338.41 km) |
| Boynton Beach to Kirksville (Missouri) | 1,185.61 mi (1,908.05 km) |
| Boynton Beach to Kirkwood (Missouri) | 1,025.94 mi (1,651.10 km) |
| Boynton Beach to Kiryas Joel (New York) | 1,077.46 mi (1,734.00 km) |
| Boynton Beach to Kissimmee (Florida) | 147.54 mi (237.45 km) |
| Boynton Beach to Klamath Falls (Oregon) | 2,580.94 mi (4,153.62 km) |
| Boynton Beach to Knightdale (North Carolina) | 646.80 mi (1,040.92 km) |
| Boynton Beach to Knik-Fairview (Alaska) | 3,952.15 mi (6,360.36 km) |
| Boynton Beach to Knoxville (Tennessee) | 691.00 mi (1,112.06 km) |
| Boynton Beach to Kokomo (Indiana) | 1,023.27 mi (1,646.80 km) |
| Boynton Beach to Kuna (Idaho) | 2,339.16 mi (3,764.52 km) |
| Boynton Beach to Kyle (Texas) | 1,108.39 mi (1,783.78 km) |
| Boynton Beach to La Cañada Flintridge (California) | 2,319.37 mi (3,732.67 km) |
| Boynton Beach to La Crescenta-Montrose (California) | 2,321.45 mi (3,736.01 km) |
