Canada has the longest coastline in the world. Canada has an extensive coastline of greater than 125,000 miles. Canada is close to having the greatest land area also, being the second-largest country in the world.
The only country larger than Canada is Russia. However, Russia's coastline is less than 25,000 miles. After Canada, the other lengthiest coastlines are only a fraction of Canada's coastline. The second-longest coastline belongs to Indonesia, at a total of near 34,000 miles. Russia has the third-longest coastline, followed by Japan at about 18,500 miles. The United States has the eighth-longest coastline in the world, amounting to roughly 12,400 miles.