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The long river that is the border between the east and West United States is the Mississippi River. The Mississippi is the longest river in the United States.
The Limpopo River is the border between Botswana and South Africa for a long way.
The Sénégal River is a 1,790 km (1,110 mi) long river in West Africa that forms the border between Senegal and Mauritania
Columbia river
The Connecticut River, which flows into Long Island Sound.
The longest river in the North West of England is the Mersey River. It forms the border between the counties of Cheshire and Lancashire. It is about 70 miles long.
The border to the North, East and South is with Ukraine and is roughly 940 km long and follows, for part, the river Nistru (Dniester). The border to the West with Romania is roughyly 450 km long and follows the river Prut.
It is a 230-mile long river in South America that forms most of the border between French Guiana and the Brazilian state of Amapá.
For most of the border, it is the Red River (Red River of the North) which flows north from southern North Dakota into Lake Winnipeg in Canada. The southern section of the border is the Bois de Sioux River, a tributary of the Red River.
The longest west-east border of South Australia is along its coastline. This part of the border, along the south, is 3816 km in length.
Yes. Long Island is across the East River from Manhattan. The East River runs down the east side of Manhattan, and the west side of Long Island.
The Connecticut River forms the eastern border of Vermont. The river is 410 miles long and is the longest river in New England.