| Key West to Keene (New Hampshire) | 1,379.81 mi (2,220.58 km) |
| Key West to Keizer (Oregon) | 2,692.51 mi (4,333.18 km) |
| Key West to Keller (Texas) | 1,098.13 mi (1,767.27 km) |
| Key West to Kelso (Washington) | 2,710.66 mi (4,362.39 km) |
| Key West to Kemp Mill (Maryland) | 1,038.08 mi (1,670.63 km) |
| Key West to Ken Caryl (Colorado) | 1,706.50 mi (2,746.35 km) |
| Key West to Kendale Lakes (Florida) | 116.56 mi (187.59 km) |
| Key West to Kendall (Florida) | 117.25 mi (188.69 km) |
| Key West to Kendall Park (New Jersey) | 1,171.92 mi (1,886.03 km) |
| Key West to Kendall West (Florida) | 115.07 mi (185.18 km) |
| Key West to Kenmore (New York) | 1,282.04 mi (2,063.24 km) |
| Key West to Kenmore (Washington) | 2,721.18 mi (4,379.32 km) |
| Key West to Kenner (Louisiana) | 641.97 mi (1,033.15 km) |
| Key West to Kennesaw (Georgia) | 675.68 mi (1,087.40 km) |
| Key West to Kennett (Missouri) | 944.42 mi (1,519.89 km) |
