The flight distance from Montgomery County Airpark (GAI) in Gaithersburg, United States to Harry Reid International Airport (LAS) in Las Vegas, United States is 3,338 kilometers (2,074 miles / 1,802 nautical miles). The estimated flight time for this route is approximately 5h, flying west at a heading of 276°.

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 3-hour time difference between the two cities.

Time zone information: When it's 01:56 in Gaithersburg, it's 22:56 in Las Vegas. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,642 feet between the two airports. Harry Reid International Airport sits higher than Montgomery County Airpark.

The return flight from Las Vegas (LAS) to Gaithersburg (GAI) follows a heading of 72° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Montgomery County Airpark (GAI) and Harry Reid International Airport (LAS) detail pages, or use our flight duration calculator to compare other routes.