<P> The Potomac River ( / pəˈtoʊmək / ( listen ) ) is located along the mid-Atlantic Ocean coast of the United States and flows into the Chesapeake Bay . The river ( main stem and North Branch ) is approximately 405 miles ( 652 km ) long , with a drainage area of about 14,700 square miles ( 38,000 km ) . In terms of area , this makes the Potomac River the fourth largest river along the Atlantic coast of the United States and the 21st largest in the United States . Over 5 million people live within the Potomac watershed . </P>
<P> The Potomac River ( / pəˈtoʊmək / ( listen ) ) is located along the mid-Atlantic Ocean coast of the United States and flows into the Chesapeake Bay . The river ( main stem and North Branch ) is approximately 405 miles ( 652 km ) long , with a drainage area of about 14,700 square miles ( 38,000 km ) . In terms of area , this makes the Potomac River the fourth largest river along the Atlantic coast of the United States and the 21st largest in the United States . Over 5 million people live within the Potomac watershed . </P>
potomac river flows into what body of water
potomac river flows into what body of water
Chesapeake Bay
Chesapeake Bay