The continental mountain chains are the biggest. This includes the Alps and Himalayas. These are large mountains and they start from East to West or North to South. The Alps extend from Switzerland in the west, all the way up to Ukraine in eastern Europe and include three continents. It also includes parts of Spain, France, Germany, Italy along with many other European countries like Austria, Belgium, Croatia among others. It stretches from 3°50'E longitude in Switzerland all the way down to 35°40'N latitude near Moscow (Russia) at a length of about 600 kilometers across Europe.