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Greatest distance between any two points in the 50 states: 5,859 miles (9,429 km), from Kure Atoll, Hawaii, to Log Point, Elliott Key, Florida. [23] Greatest distance between any two points in the contiguous 48 states: 2,901 miles (4,669 km), from North Farallon Island, California, to Sail Rock, east of West Quoddy Head, Maine. [23]
Two antipodal points, u and v are also shown. The great-circle distance, orthodromic distance, or spherical distance is the distance between two points on a sphere, measured along the great-circle arc between them. This arc is the shortest path between the two points on the surface of the sphere. (By comparison, the shortest path passing ...
The longest continuous north–south distance on land is 7,590 km (4,720 mi) along the meridian 99°1'30"E, from the northern tip of Siberia in the Russian Federation ( 76°13′6″N 99°1′30″E. / 76.21833°N 99.02500°E / 76.21833; 99.02500. ), through Mongolia, China, and Myanmar, to a point on the south coast of Thailand ( 7°53 ...
The two-second rule is useful as it can be applied to any speed. Drivers can find it difficult to estimate the correct distance from the car in front, let alone remember the stopping distances that are required for a given speed, or to compute the equation on the fly (for example, braking distance is roughly calculated as b = s 2 /20, where b is the braking distance in metres and s is car ...
U.S. Route 66 Will Rogers Memorial Highway The final routing of U.S. Route 66 in red, with earlier alignments in pink Route information Length 2,448 mi (3,940 km) Existed November 11, 1926 (1926-11-11) –June 26, 1985 (1985-06-26) Tourist routes Historic Route 66 Major junctions West end Santa Monica, California East end Chicago, Illinois Location Country United States States California ...
Oregon Trail pioneer Ezra Meeker erected this boulder near Pacific Springs on Wyoming's South Pass in 1906. [1] The historic 2,170-mile (3,490 km) [2] Oregon Trail connected various towns along the Missouri River to Oregon's Willamette Valley. It was used during the 19th century by Great Plains pioneers who were seeking fertile land in the West ...
Odometer. An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two ( electromechanical ). The noun derives from ancient Greek ὁδόμετρον, hodómetron, from ὁδός, hodós ("path" or "gateway") and ...
Great-circle navigation. Great-circle navigation or orthodromic navigation (related to orthodromic course; from Ancient Greek ορθός (orthós) 'right angle' and δρόμος (drómos) 'path') is the practice of navigating a vessel (a ship or aircraft) along a great circle. Such routes yield the shortest distance between two points on the globe.