as the crow flies

US /æz ðə kroʊ flaɪz/
UK /æz ðə kroʊ flaɪz/
"as the crow flies" picture
1.

in a straight line; by the shortest route

:
It's about ten miles from here to the city center as the crow flies, but much longer by road.
The two villages are only a mile apart as the crow flies.