Newfoundland and Labrador (Canada) is 5.1 times larger than Maine (USA).
Newfoundland and Labrador is the easternmost province of Canada. Situated in the country's Atlantic region, it incorporates the island of Newfoundland and mainland Labrador to the northwest, with a combined area of 405,212 square kilometres. Wikipedia
Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south; New Hampshire to the west; and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Wikipedia