Correct option is D
Vladivostok lies on the eastern coast of Russia. It is a major port city located on the Pacific Ocean, and it is the eastern terminus of the Trans-Siberian Railway, which is the longest railway line in the world. The Trans-Siberian Railway spans a distance of 9,289 kilometers (5,772 miles) from Moscow to Vladivostok, and it connects the European part of Russia with the Far East region.