Greenland put a tremendous amount of money into their system. Actually, the Danes put a tremendous amount of money into Greenland's system. They have a considerable number of paved runways. A lot of them are still shorter, because they are using STOL aircraft on them. They also have an extensive heliport program. They have a fairly sophisticated system.
Greenland also benefits from having, in most cases, year-round navigation up and down the west coast, which is significantly different as well.
Looking to the other side, there are something like 100-and-some paved runways in Alaska. There are a dozen in northern Canada.