River – Little Sioux River – Grand River – Chariton River – The Iowa River is the longest river that is entirely within Iowa. See also List of rivers of Iowa. Kansas Missouri River – Arkansas River – Cimarron River – Smoky Hill River – Neosho River – Republican River – Saline River – Big Blue River – Verdigris River – South Fork Solomon River – The Saline River is the longest river that is entirely within Kansas. See also List of rivers of Kansas. Kentucky Mississippi River – Ohio River – Cumberland River – Tennessee River – Green River – Licking River – Kentucky River – North Fork Kentucky River – Levisa Fork – Tug Fork – The Green River is the longest river that is entirely within Kentucky. See also List of rivers of Kentucky. Louisiana Mississippi River – Red River – Ouachita River – Sabine River – Pearl River – Bayou Bartholomew – Bayou Macon – Boeuf River – Calcasieu River – Tensas River – The Calcasieu River is the longest river that is entirely within Louisiana. See also List of rivers of Louisiana. Maine Saint John River – Androscoggin River – Kennebec River – Saco River – West Branch Penobscot River – Aroostook River – Penobscot River – Moose River – East Branch Penobscot River – Saint Francis River – The Kennebec River is the longest river that is entirely within Maine. See also List of rivers of Maine. Maryland Susquehanna River – Potomac River – Youghiogheny River – Patuxent River – North Branch Potomac River – Conococheague Creek – Choptank River – Pocomoke River – Nanticoke River – Monocacy River – The Patuxent River is the longest river that is entirely within Maryland. See also List of rivers of Maryland. Massachusetts Connecticut River – Housatonic River – Merrimack River – Charles River – Deerfield River – Hoosic River – Quinebaug River – Westfield River – Millers River – Blackstone River – The Charles River is the longest river that is entirely within Massachusetts. See also List of rivers of Massachusetts. Michigan Grand River – Muskegon River – St. Joseph River – Manistee River – River Raisin – Au Sable River – Huron River – Kalamazoo River – Shiawassee River – Menominee River – The Grand River is the longest river that is entirely within Michigan. See also List of rivers of Michigan. Minnesota Mississippi River