The flight distance from Nashville International Airport (BNA) in Nashville, United States to The Florida Keys Marathon International Airport (MTH) in Marathon, United States is 1,376 kilometers (855 miles / 743 nautical miles). The estimated flight time for this route is approximately 3h, flying south southeast at a heading of 155°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 13:37 in Nashville, it's 14:37 in Marathon.

The return flight from Marathon (MTH) to Nashville (BNA) follows a heading of 338° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Nashville International Airport (BNA) and The Florida Keys Marathon International Airport (MTH) detail pages, or use our flight duration calculator to compare other routes.