The flight distance from St Mary's Airport (KSM) in St Mary'S, United States to Orlando International Airport (MCO) in Orlando, United States is 6,832 kilometers (4,245 miles / 3,689 nautical miles). The estimated flight time for this route is approximately 9h, flying east at a heading of 82°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 4-hour time difference between the two cities.

Time zone information: When it's 01:57 in St Mary'S, it's 05:57 in Orlando. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Orlando (MCO) to St Mary'S (KSM) follows a heading of 328° (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 St Mary's Airport (KSM) and Orlando International Airport (MCO) detail pages, or use our flight duration calculator to compare other routes.