Крайние точки Соединённых Штатов Америки

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This is a list of points in the United States that are farther north, south, east or west than any other location in the country. Also included are extreme points in elevation, extreme distances and other points of peculiar geographic interest.

There are three methods for reckoning the eastern and western extremes of the United States. One method is to use the Prime Meridian as the dividing line between east and west. This meridian running through Greenwich, London, is defined as zero degrees longitude and could be called the least eastern and least western place in the world. The 180th meridian, on the opposite side of the globe, is therefore the easternmost and westernmost place in the world. Another method is to use the International Date Line as the easternmost–westernmost extreme. On the equinox, the easternmost place would be where the day first begins, and the westernmost is where the day last ends. Still another method is to first determine the geographic center of the country and from there measure the shortest distance to every other point. All U. S. territory is spread across less than 180° of longitude, so from any spot in the U. S. it is more direct to reach the easternmost point, Point Udall, U. S. Virgin Islands, by traveling east than by traveling west. Likewise, there is not a single point in U. S. territory from which heading east is a shorter route to the westernmost point, Point Udall, Guam, than heading west would be, even accounting for circumpolar routes. The two different Point Udalls are named for two different men: Mo Udall (Guam) and Stewart Udall (Virgin Islands), brothers from the Udall family of Arizona who both served as U. S. Congressmen.

Island of Hawaii, Hawaii  – most extensive island in all U. S. territory at 4028 square miles (10,432 km2) and tallest island in all U. S. territory and the entire Pacific Ocean at 13,796 feet (4205 m). Kodiak Island, Alaska  – most extensive Gulf of Alaska island at 3595.09 square miles (9,311 km2). Island of Puerto Rico, Puerto Rico  – most extensive island of U. S. Caribbean territory at 3515.1 square miles (9,104 km2). Prince of Wales Island, Alaska  – most extensive island of the Alexander Archipelago at 2577 square miles (6,674 km2). Saint Lawrence Island, Alaska  – most extensive Bering Sea island at 1791.56 square miles (4,640 km2). Unimak Island, Alaska  – most extensive Aleutian island at 1571.41 square miles (4,070 km2). Long Island, New York  – most extensive island of the U. S. Atlantic coast at 1,401 square miles (3,629 km2). Padre Island, Texas  – most extensive Gulf of Mexico island at 209 square miles (541 km2) and longest barrier island on Earth at 113 mile (182 km). Isle Royale in Lake Superior, Michigan  – most extensive island in a lake in all U. S. territory at 206.73 square miles (535 km2). Whidbey Island, Washington  – most extensive island of Puget Sound at 168.67 square miles (437 km2). Santa Cruz Island, California  – most extensive of the Channel Islands of California at 97 square miles (251 km2). The most remote islands in the United States are within the U. S. Minor Outlying Islands (namely, islands such as Palmyra Atoll and Johnston Atoll).

Lake Michigan Huron  – largest freshwater lake in the world by surface area, at 45,300 square miles (117,327 km2), of which 31507 square miles (81,603 km2) is within the United States. Lake Superior – Lying along the Canada–United States border, it is the second largest freshwater lake in the world by surface area, at 31,700 sq mi (82,100 km2), of which is within the United States. It is also North America's largest lake by volume, at 2,900 cu mi (12,000 km3); it is commonly called the largest lake by surface area when Lake Michigan and Lake Huron are not considered one lake. Great Salt Lake, Utah,  – most extensive endorheic lake, at 1,700 square miles (4,403 km2). Crater Lake, Oregon,  – deepest lake, at 1,943 feet (592 m). Pacific Tarn, Colorado, – Highest elevation lake at 13,420 feet (4090 m).

Mississippi River  – most extensive river basin at 1,151,000 square miles (2,981,078 km2). Mississippi Missouri Jefferson Rivers  – longest river system at Missouri River  – longest main stem river at Mississippi River  – longest Gulf of Mexico main stem river at Yukon River  – longest Bering Sea main stem river at Colorado River  – longest Gulf of California main stem river at Columbia River  – longest Pacific Ocean main stem river at Saint Lawrence River  – longest Atlantic Ocean main stem river at 600 mile (966 km). Bear River  – longest endorheic basin main stem river at 491 mile (790 km).