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A diagram illustrating great-circle distance (drawn in red) between two points on a sphere, P and Q. Two antipodal points, u and v are also shown.. The great-circle distance, orthodromic distance, or spherical distance is the distance along a great circle.. It is the shortest distance between two points on the surface of a sphere, measured along the surface of the sphere (as opposed to a ...
The total driving distance from El Paso, TX to Williams, AZ is 508 miles or 818 kilometers. The total straight line flight distance from El Paso, TX to Williams, ... The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm ...
The calculations are approximate in nature and may differ a little from the distances as given in the official forecasts and advisories. ... Latitude 2 : Longitude 2 : Distance (rounded to the nearest whole unit) adapted from the Great Circle Calculator written by Ed Williams ... More information on Great Circle navigation can be found here ...
Great Circle Calculator. By Ed Williams. ... 5/16/98 Changed the great circle radial and distance algorithm to one valid for unlimited distances. Previous was only valid for ranges up to one quarter of the earth's circumference in longitude. Note that the Vicenty algorithm for (ellipsoidal) course and distance may fail to converge correctly, or ...
However, any given great circle (except the equator) has a maximum latitude reached at its apex. It crosses lower latitudes twice and higher latitudes never. Thus the algorithm for finding the longitudes at which a given great circle crosses a given parallel is a little more complex. Suppose a great circle passes through (lat1,lon1) and (lat2 ...
The shorter segment between two points on a great circle is the shortest path between the two points on the sphere, also known as an orthodrome or the great circle distance. You may calculate the great circle distance between two points on the Earth from the geographical coordinates. This is possible under the assumption that the Earth is a ...
