Which of the following is the longest mountain range?
A
The Himalayas
B
The Rockies
C
The Andes
D
The Caucasus
Correct Answer: The Andes
The Longest Mountain Chains in the world is Andes. The Andes of South America is the longest mountain range in the world, stretching for an estimated distance of 7,000 km (4,350 miles).