Ouse
Ohio River.
Ob is a river in Russia. It begins with the letter O.
That would be the Oise River.
Dan is a river in Virginia. Dolores is a river in Utah. Duck is a river in Tennessee.
Ohio River
The Shenandoah River is on the east coast of the United States in Virginia and West Virginia.
Ohio River
The Great Whale River is a river in Quebec, Canada. Greenwater River is in Washington. Guest River is in Virginia.
oder oder
Omaha, Nebraska
The Ob River in Russia is one of the longest rivers in Asia. It begins with the letter O.