The longest continental Railway in the world is - (1) Trans Atlantic Railway (2) Trans Siberian Railway (3) Canadian Pacific Railway (4) Canadian National Railway
(2) Trans Siberian Railway Explanation: Trans-Siberian Railway, that connects Moscow with the Russian Far East and the Sea of Japan, is the longest railway line in the world with a length of 9,289 km. There are connecting branch lines into Mongolia, China and North Korea.