The flight distance from The Florida Keys Marathon International Airport (MTH) in Marathon, United States to Salt Lake City International Airport (SLC) in Salt Lake City, United States is 3,372 kilometers (2,095 miles / 1,821 nautical miles). The estimated flight time for this route is approximately 5h, flying northwest at a heading of 310°.

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 12:06 in Marathon, it's 10:06 in Salt Lake City.

There is a significant elevation difference of 4,226 feet between the two airports. Salt Lake City International Airport sits higher than The Florida Keys Marathon International Airport.

The return flight from Salt Lake City (SLC) to Marathon (MTH) follows a heading of 112° (east southeast). 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 Salt Lake City International Airport (SLC) detail pages, or use our flight duration calculator to compare other routes.