Kangerlussuaq International Airport

Kangerlussuaq Airport (SFJ) is the largest and longest-runway civil airport in Greenland and, for decades, the mandatory jet gateway between the Arctic island and the outside world. Built by the United States Army Air Forces in 1941 as Bluie West-8 and operated as Sondrestrom Air Base during the Cold War, the field was transferred to Greenlandic civil control in 1992 and has since been managed by Mittarfeqarfiit, the national airport operator. Set at the head of a 118 mi (190 km) fjord roughly on the Arctic Circle, SFJ benefits from unusually stable weather compared with coastal Greenlandic airfields that are prone to fog and crosswinds. Its 9,220 ft (2,810 m) asphalt runway has long allowed Air Greenland's Airbus A330neo services to Copenhagen (CPH) and, historically, connecting flights to Nuuk (GOH), Ilulissat (JAV) and smaller settlements via Dash 8 feeder aircraft. The airport is also a scientific hub, hosting U.S. and European Arctic research programmes using its proximity to the Greenland Ice Sheet, which is reachable by road from the terminal. With the 2024 opening of a new transatlantic-capable runway at Nuuk (GOH) and planned upgrades at Ilulissat (JAV), SFJ's role is shifting from sole national hub to specialist Arctic base, but on any North Atlantic aviation league table it remains among the top-ranked airports by runway length, ramp size and strategic history, and the anchor of Greenlandic civil aviation.