Multiple choice The longest rail route of the world is Canadian Pacific Railway (Canada) Trans-Siberian Railway (Russia) Central Railway (India) The Australian Trans-Continental Railway (Australia) Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Trans-Siberian Railway is the longest railway line in the world, spanning 9,289 km (5,772 miles) across Russia from Moscow to Vladivostok. It crosses multiple time zones and landscapes.