The flight distance from Chicago O'Hare International Airport (ORD) in Chicago, United States to Thule Air Base (THU) in Thule, Greenland is 3,949 kilometers (2,454 miles / 2,132 nautical miles). The estimated flight time for this route is approximately 6h, flying north at a heading of 8°.

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 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 03:59 in Chicago, it's 05:59 in Thule.

The return flight from Thule (THU) to Chicago (ORD) follows a heading of 205° (south 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 Chicago O'Hare International Airport (ORD) and Thule Air Base (THU) detail pages, or use our flight duration calculator to compare other routes.