As the crow flies
Encyclopedia
"As the crow flies" or beelining is an idiom
for the shortest route between two points; the geodesic
distance.
An example is the great-circle distance
between Key West
and Pensacola
, at either end of the U.S. state of Florida
where the direct route by road is about 792 mi (1,274.6 km) and the direct point-to-point
aerial transit path that might be taken by a crow is 524 mi (843.3 km).
The phrase is attested in print as early as 1800.
Idiom
Idiom is an expression, word, or phrase that has a figurative meaning that is comprehended in regard to a common use of that expression that is separate from the literal meaning or definition of the words of which it is made...
for the shortest route between two points; the geodesic
Geodesic
In mathematics, a geodesic is a generalization of the notion of a "straight line" to "curved spaces". In the presence of a Riemannian metric, geodesics are defined to be the shortest path between points in the space...
distance.
An example is the great-circle distance
Great-circle distance
The great-circle distance or orthodromic distance is the shortest distance between any two points on the surface of a sphere measured along a path on the surface of the sphere . Because spherical geometry is rather different from ordinary Euclidean geometry, the equations for distance take on a...
between Key West
Key West, Florida
Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...
and Pensacola
Pensacola, Florida
Pensacola is the westernmost city in the Florida Panhandle and the county seat of Escambia County, Florida, United States of America. As of the 2000 census, the city had a total population of 56,255 and as of 2009, the estimated population was 53,752...
, at either end of the U.S. state of Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...
where the direct route by road is about 792 mi (1,274.6 km) and the direct point-to-point
Point-to-point transit
Point-to-point transit refers to a transportation system where a plane, bus or train travels directly to a destination, rather than going through a central hub...
aerial transit path that might be taken by a crow is 524 mi (843.3 km).
The phrase is attested in print as early as 1800.