as the crow flies
in a straight line

[TahlilGaran] Dictionary of Contemporary English ▲

as the crow flies
if the distance between two places is measured as the crow flies, it is measured as a straight line between the two places.
'How far is it from Cambridge to London?' 'About 50 miles as the crow flies.'

[TahlilGaran] English Idioms Dictionary ▲

as the crow flies
by the most direct way, along a straight line between two places
As the crow flies it is about six kilometers between my house and downtown.

[TahlilGaran] English Idioms Dictionary ▲

as the crow flies
adv. clause By the most direct way; along a straight line between two places.
It is seven miles to the next town as the crow flies, but it is ten miles by the road, which goes around the mountain.

[TahlilGaran] English Idioms Dictionary ▲