| Key Largo to Marietta (Georgia) | 658.55 mi (1,059.83 km) |
| Key Largo to Marietta (Ohio) | 989.98 mi (1,593.21 km) |
| Key Largo to Marina (California) | 2,557.58 mi (4,116.02 km) |
| Key Largo to Marinette (Wisconsin) | 1,437.07 mi (2,312.74 km) |
| Key Largo to Marion (Arkansas) | 908.56 mi (1,462.18 km) |
| Key Largo to Marion (Illinois) | 1,004.97 mi (1,617.35 km) |
| Key Largo to Marion (Indiana) | 1,108.04 mi (1,783.21 km) |
| Key Largo to Marion (Iowa) | 1,331.66 mi (2,143.10 km) |
| Key Largo to Marion (Ohio) | 1,080.57 mi (1,739.00 km) |
| Key Largo to Marion Oaks (Florida) | 289.57 mi (466.02 km) |
| Key Largo to Markham (Illinois) | 1,212.31 mi (1,951.03 km) |
| Key Largo to Marlborough (Massachusetts) | 1,292.85 mi (2,080.64 km) |
| Key Largo to Marlton (New Jersey) | 1,069.33 mi (1,720.92 km) |
| Key Largo to Marquette (Michigan) | 1,529.56 mi (2,461.59 km) |
| Key Largo to Marrero (Louisiana) | 679.15 mi (1,092.99 km) |
