The Ob River (also known as Obi River) is located entirely in Russia.
Lena; Ob; Yenisei; Volga; & Amur.
The Volga River runs through Russia.
Merrimac river
Only Russia
Only Russia
This river runs through Poland. It specifically runs through Warsaw.
Missouri River
Only flows through Russia
Thames
The River Volga flows into the Caspian Sea.
The river that runs through Caboolture is called the Caboolture River.