The Amur river.
Rason, North Korea or Vladivostok, Russia
Monogolia Manchuria Poland Romania
The Amur River, known as the tenth longest river on the planet, flows between Inner Manchuria and Russian Far East.
Russia forms much of China's northern border. The two countries share a long boundary in the north, primarily in the regions of Siberia and Manchuria.
It's about 160 miles to the border.
Pskov is near the border with Estonia in the Baltic States. Smolensk is near the border with Belarus. Chelyabinsk and Omsk are near the border with Kazakhstan. Vladivostok, in the far west, is near the border with China and North Korea.
Romania has no border with Russia.
No states share a border with Russia. Alaska has a common maritime border in the Barents Sea.
Russia does not border onto the Mediterranean
the state that shares a border with Russia
Canada and there is a maritime border with Russia.
The Pacific and Arctic Ocean border Russia.