 It is only 1° 49′ from the westernmost point of the European mainland which is in Portugal.Greenland is not part of North America politically, which leads some people to assert that the most easterly point of the continent is the easternmost point in Canada − Cape Spear located at 52°37'W near St. John's, Newfoundland.However, both of these headlands are located on islands on the North American continental shelf; neither is located "on" the continental mainland.