The Mississippi, the Rio Grande, Tigris, Euphrates, the Columbia, the Danube, the Nile, the Xiliao, the Yangtze, the Seine, the Loire, the Garonne, the Ebro, just to name a very small number of examples. Most rivers flow intto the ocean.
There are no oceans in the US... do you mean rivers? In any case, the East, Hudson, Mississippi and Susquehanna rivers alike flow into the Atlantic.
Tributaries
a delta
The Arctic Ocean
the Atlantic ocean
Small streams flow into rivers and the rivers flow to bigger rivers.
All of the rivers in Siberia tend to flow north. These rivers flow north as they being pulled to drain into the Arctic Ocean.
Pacife
Wind!
your mama's river
the ones that are in America
Atlantic Ocean