Complex sentence: Alongside Narsarsuaq Airport, it is one of only two civilian airports in Greenland large enough to handle large airliners, having more stable weather, being located further away from the coast, and hence less prone to fog and wind in comparison with other airports in Greenland.
Split into simpler sentences: Alongside Narsarsuaq Airport, it is one of only two civilian airports in Greenland large enough to handle large airliners. It is located away from the coast, and hence less prone to fog and wind in comparison with other airports in Greenland.