Danube–Breg (Donau, Dunăre, Duna, Dunav, Dunaj).
Danube–Breg (Donau, Dunăre, Duna, Dunav, Dunaj) is the 2nd longest river in Europe at 2,888 kilometers (1,795 miles).
Danube–Breg (Donau, Dunăre, Duna, Dunav, Dunaj) is a 2,888-km long (1,795 miles) river that drains from a 817,000-km2 wide basin in Romania (28.9% of river), Hungary (11.7%), Austria (10.3%), Serbia (10.3%), Germany (7.5%), Slovakia (5.8%), Bulgaria (5.2%) and Croatia (4.5%),.
Its average discharge rate is 7,130 m3/3 and the river flows out into Black Sea.
Compare Danube–Breg (Donau, Dunăre, Duna, Dunav, Dunaj) with River Clyde from Europe.
Dnieper is the 3rd largest river by drainage area in Europe at 516,300 km2.
Dnieper is a river that stretches 2,287 kilometers (or 1,421 miles) in length, draining from a 516,300 km2 basin in Russia, Belarus and Ukraine.
Its average discharge rate is 1,670 m3/3 and the river flows out into Black Sea.
More on the longest and largest river systems in the world:
World: Longest | Largest by Discharge Volume | Largest by Drainage Area
By Country: Australia | Brazil | Canada | China | France | Russia | UK | USA
Europe: Longest | Largest by Discharge Volume | Largest by Drainage Area
Asia: Longest | Largest by Discharge Volume | Largest by Drainage Area
Africa: Longest | Largest by Discharge Volume | Largest by Drainage Area
Oceania: Longest | Largest by Discharge Volume | Largest by Drainage Area
North America: Longest | Largest by Discharge Volume | Largest by Drainage Area
South America: Longest | Largest by Discharge Volume | Largest by Drainage Area
Outflows: Amazon River | Atlantic Ocean | Black Sea | Mississippi River | Pacific Ocean