| Key Largo to Land O' Lakes (Florida) | 247.44 mi (398.22 km) |
| Key Largo to Landover (Maryland) | 975.47 mi (1,569.86 km) |
| Key Largo to Langley Park (Maryland) | 978.76 mi (1,575.16 km) |
| Key Largo to Lanham (Maryland) | 978.58 mi (1,574.87 km) |
| Key Largo to Lansdale (Pennsylvania) | 1,085.88 mi (1,747.55 km) |
| Key Largo to Lansdowne (Pennsylvania) | 1,066.14 mi (1,715.79 km) |
| Key Largo to Lansdowne (Virginia) | 979.62 mi (1,576.55 km) |
| Key Largo to Lansing (Illinois) | 1,207.25 mi (1,942.88 km) |
| Key Largo to Lansing (Kansas) | 1,288.52 mi (2,073.67 km) |
| Key Largo to Lansing (Michigan) | 1,238.10 mi (1,992.53 km) |
| Key Largo to Lantana (Florida) | 103.34 mi (166.31 km) |
| Key Largo to Lantana (Texas) | 1,147.10 mi (1,846.09 km) |
| Key Largo to Laplace (Louisiana) | 704.34 mi (1,133.53 km) |
| Key Largo to Laramie (Wyoming) | 1,824.65 mi (2,936.49 km) |
| Key Largo to Laredo (Texas) | 1,191.87 mi (1,918.12 km) |
