as the crow flies
US /æz ðə kroʊ flaɪz/
UK /æz ðə kroʊ flaɪz/

1.
直線距離, 最短路線
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.
從這裡到市中心直線距離大約十英里,但走公路要遠得多。
•
The two villages are only a mile apart as the crow flies.
這兩個村莊直線距離只有一英里。