The world's longest mountain system is known as Ocean Ridge, which is a chain of mountains that runs on the seafloor of five oceans around the world, the total length of the system is 49,700 miles. The Andes is the world's longest mountain system on the surface of a continent; it is 4,300 miles in length.
The mountain with the longest range, is the rocky mountains.
Applalachain Mountain Range
The longest mountain range in the united states is the Rocky Mountains.
The longest North American mountain range is the Rocky Mountains.
Rocky Mountain
Andes is the Longest mountain chain in south america.
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The large mountain range in South America is the Andes. The Andes mountain range is the longest continental mountain range in the world.The Andes \Mountain Range is South America's largest mountain range.
South America.
Himalayas
You may be thinking of the Trans-Antarctic mountain range.
Define largest.The Andes in South America is the longest mountain range in the world.The Himalayas, which contains nine of the top ten tallest mountains in the world including Mt. Everest, is the tallest mountain chain in the world.