The largest island on Earth is Greenland, with an area of approximately 836,300 square miles.
The answer is ASIA it is 17,139,445 square miles
Greenland and it is 840,000 square miles
The world's largest country by land area is Russia, which covers approximately 6.6 million square miles.
Hawaii is the largest island in the United States with 4,021 square miles [10,414 square kilometers] , but is not the largest island in the world.
Alderney is the third largest Channel Island
Antarctica - 14,000,000 square km or 5,400,000 square miles.
Caribbean Sea The worlds second largest sea is the Coral Sea at 1,850,000 square miles
Honshu, the largest Japanese island, is 225,800 square kilometres or 87,200 square miles.
Greenland is the largest island, 822,706 square miles
The largest island in middle America is Cuba. Cuba is 44,218 square miles. Coming in at a distant second is Hispaniola, which is 29,355 square miles.
Borneo, 288869 square miles