The flight distance from The Florida Keys Marathon International Airport (MTH) in Marathon, United States to Phoenix Sky Harbor International Airport (PHX) in Phoenix, United States is 3,147 kilometers (1,955 miles / 1,699 nautical miles). The estimated flight time for this route is approximately 5h, flying west northwest at a heading of 295°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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 2-hour time difference between the two cities.

Time zone information: When it's 13:16 in Marathon, it's 11:16 in Phoenix.

There is a significant elevation difference of 1,130 feet between the two airports. Phoenix Sky Harbor International Airport sits higher than The Florida Keys Marathon International Airport.

The return flight from Phoenix (PHX) to Marathon (MTH) follows a heading of 100° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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