What is the longest river shown on the europe physical map?

The longest river shown on the Europe physical map is the River Volga found in European Russia.

The Volga river flows 2,294 miles from the Valdai Hills through central Russia and eventually discharges into the Caspian sea.

The word Volga is derived from a Slavic word meaning moisture or wetness.

The Volga river's water shed (area of land drained by the river) is 532, 821 square miles in size.

The major tributaries of Volga River are Kama River and Oka River