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. [3]
The contiguous United States consists of the 48 adjoining U.S. states and the District of Columbia of the United States of America in central North America. The term excludes the only two non-contiguous states, which are Alaska and Hawaii, and all other offshore insular areas, such as the U.S. territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands. The colloquial term "Lower 48" is also used, especially in relation to Alaska.
The extreme points of Norway include the coordinates that are farther north, south, east or west than any other location in Norway; and the highest and the lowest altitudes in the country. The northernmost point is Rossøya on Svalbard, the southernmost is Pysen in Lindesnes Municipality, the easternmost is Kræmerpynten on Svalbard, and the westernmost is Hoybergodden on Jan Mayen. The highest peak is Galdhøpiggen, standing at 2,469 m (8,100 ft) above mean sea level, while the lowest elevation is sea level at the coast.
This is a list of the extreme points of North America: the points that are highest and lowest, and farther north, south, east or west than any other location on the continent. Some of these points are debatable, given the varying definitions of North America.
This is a list of the extreme points of The Americas, the points that are farther north, south, east or west than any other location on the continent. The continent's southernmost point is often said to be Cape Horn, which is the southernmost point of the Chilean islands. The Americas cross 134° of longitude east to west and 124° of latitude north to south.
San Diego's Friendship Park, or Border Field State Park, is tucked into the extreme southwest corner of the United States and the extreme northwest of Mexico, with fields on the U.S. side, the city of Tijuana on the other, and the blue Pacific Ocean to the west.
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