New Guinea
From Memory Alpha, the free Star Trek reference
New Guinea was an island located on Earth North of Australia.
On July 2nd 1937, Fred Noonan and Amelia Earhart left New Guinea in their airplane heading East trying to fly around the world. (VOY: "The 37's")
In 2063, when Jean-Luc Picard wanted to prove Lily Sloane they really were on a spaceship orbiting Earth, he opened a hatch to space and pointed out Australia, New Guinea and the Solomons to her. (Star Trek: First Contact)
