What is the longest river in Europe outside of Russia?

Here is the question :

WHAT IS THE LONGEST RIVER IN EUROPE OUTSIDE OF RUSSIA?

Here is the option for the question :

• Danube
• Rhine
• Thames
• Loire

The Answer:

And, the answer for the the question is :

Explanation:

[STC0016895]. The Danube, which is 1,780 miles long and flows through 10 nations before emptying into the Black Sea, is the longest river that is contained entirely inside mainland Europe. It begins in Germany and continues through Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, and Ukraine until reaching its terminus at the Black Sea. The Danube is home to a number of Europe’s most beautiful capitals, including Vienna and Budapest, both of which are located on the river.