The flight distance from Denver International Airport (DEN) in Denver, United States to Thule Air Base (THU) in Thule, Greenland is 4,428 kilometers (2,752 miles / 2,391 nautical miles). The estimated flight time for this route is approximately 6h, flying north northeast at a heading of 12°.

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 an international route connecting United States with Greenland. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:57 in Denver, it's 09:57 in Thule. 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 5,183 feet between the two airports. Thule Air Base sits lower than Denver International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Thule (THU) to Denver (DEN) follows a heading of 225° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Denver International Airport (DEN) and Thule Air Base (THU) detail pages, or use our flight duration calculator to compare other routes.