| Key Largo to Kalispell (Montana) | 2,431.53 mi (3,913.16 km) |
| Key Largo to Kaneohe (Hawaii) | 4,848.64 mi (7,803.13 km) |
| Key Largo to Kankakee (Illinois) | 1,184.13 mi (1,905.68 km) |
| Key Largo to Kannapolis (North Carolina) | 715.52 mi (1,151.52 km) |
| Key Largo to Kansas City (Kansas) | 1,276.90 mi (2,054.97 km) |
| Key Largo to Kansas City (Missouri) | 1,269.73 mi (2,043.44 km) |
| Key Largo to Kapaa (Hawaii) | 4,926.40 mi (7,928.27 km) |
| Key Largo to Kapolei (Hawaii) | 4,866.96 mi (7,832.62 km) |
| Key Largo to Katy (Texas) | 998.08 mi (1,606.25 km) |
| Key Largo to Kaukauna (Wisconsin) | 1,394.95 mi (2,244.96 km) |
| Key Largo to Kaysville (Utah) | 2,113.41 mi (3,401.20 km) |
| Key Largo to Kearney (Missouri) | 1,273.98 mi (2,050.27 km) |
| Key Largo to Kearney (Nebraska) | 1,520.54 mi (2,447.08 km) |
| Key Largo to Kearns (Utah) | 2,107.12 mi (3,391.09 km) |
| Key Largo to Kearny (New Jersey) | 1,139.08 mi (1,833.17 km) |
