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A landlocked state in the United States is any state whose territorial boundaries do not touch an ocean. All landlocked states are located among the contiguous 48 states on the North American mainland. If you must travel through only one other U.S. state or one Canadian province to reach an ocean, the state is singly landlocked. If you must travel through two U.S. states, or one U.S. state and one Canadian province, the state is doubly landlocked. If you must travel through three U.S. states, or two U.S. states and one Canadian province to reach an ocean, the state is triply landlocked. Of the 50 states, 23 are coastal and one is completely insular (Hawaii). Of the remaining 26 states and the District of Columbia, 16 states and the federal capital are singly landlocked, 10 are doubly landlocked and one is triply landlocked. This is a list of the 16 singly landlocked states and the District of Columbia, with routes to their nearest ocean: *Arizona - California to the Pacific Ocean or Sonora to the Gulf of California *Arkansas - Louisiana to the Gulf of Mexico, which is part of the Atlantic Ocean *District of Columbia - Virginia or Maryland to the Atlantic Ocean *Idaho - British Columbia, Washington or Oregon to the Pacific Ocean *Kentucky - Virginia to the Atlantic Ocean *Michigan - Ontario (water boundaries) to James Bay, an inlet of Hudson Bay, which is part of the Arctic Ocean *Minnesota - Ontario to James Bay, or Manitoba to Hudson Bay *Montana - British Columbia to the Pacific Ocean *Nevada - California to the Pacific Ocean *New Mexico - Texas to the Gulf of Mexico *North Dakota - Manitoba to Hudson Bay *Ohio - Ontario (water boundary) to James Bay *Oklahoma - Texas to the Gulf of Mexico *Pennsylvania - New Jersey, Delaware, or Maryland to the Atlantic Ocean or Chesapeake Bay *Tennessee - North Carolina to the Atlantic Ocean *Vermont - New Hampshire or Quebec to the Atlantic Ocean (Quebec also bounds the Arctic Ocean, via James Bay, Hudson Bay and Ungava Bay) *West Virginia - Virginia to the Atlantic Ocean This is a list of the 10 doubly landlocked states with routes to their nearest ocean: *Colorado - New Mexico or Oklahoma, then Texas to the Gulf of Mexico *Illinois - Michigan (water boundary) then Ontario to James Bay *Indiana - Michigan then Ontario to Hudson Bay *Iowa - Minnesota then Manitoba or Ontario to James Bay or Hudson Bay *Kansas - Oklahoma then Texas to the Gulf of Mexico *Missouri - Arkansas then Louisiana to the Gulf of Mexico *South Dakota - Minnesota then Ontario to James Bay; or North Dakota then Manitoba to Hudson Bay *Utah - Idaho then British Columbia, Washington or Oregon to the Pacific Ocean; or Nevada or Arizona, then California to the Pacific Ocean. *Wisconsin - Michigan or Minnesota, then Ontario to James Bay or Manitoba to Hudson Bay *Wyoming - Idaho then British Columbia, Washington or Oregon to the Pacific Ocean Nebraska is the only triply landlocked state. To reach an ocean from Nebraska, one must travel either south through Kansas, Oklahoma, and Texas to the Gulf of Mexico; or north through South Dakota, North Dakota and Manitoba to Hudson Bay. Eight states border the Great Lakes but New York is the only one that borders both the Great Lakes and an ocean. Four of the other seven are singly landlocked; Illinois, Indiana and Wisconsin are doubly landlocked. Michigan and Ohio both have water boundaries with Ontario, which bounds the Arctic Ocean. Wisconsin's territorial waters in Lake Superior, however, do not touch those of Ontario, but they form the southerly point of a three-way water boundary with Michigan and Minnesota. *Illinois - bounds Lake Michigan *Indiana - bounds Lake Michigan *Michigan - bounds Lake Michigan, Lake Superior, Lake Huron, and Lake Erie *Minnesota - bounds Lake Superior *New York - bounds Lake Erie, Lake Ontario, the St. Lawrence River, and the Atlantic Ocean *Ohio - bounds Lake Erie *Pennsylvania - bounds Lake Erie *Wisconsin - bounds Lake Michigan ==See also== *Landlocked country *Extreme points of the United States *Geography of the United States 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of landlocked U.S. states」の詳細全文を読む スポンサード リンク
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