as the crow flies

Adverb

idiomatic not-comparable

(idiomatic) In a straight line distance between two locations, as opposed to the road distance or over land distance.

Japanese Meaning

道路や地形の曲がりを考慮せず、２地点間の直線上の距離、すなわち実際の直進距離を意味する表現。

その町までは直線距離でわずか5マイルしかありませんが、曲がりくねった道路のせいで車での移動はほぼ1時間かかります。

Sense（1）

(idiomatic) In a straight line distance between two locations, as opposed to the road distance or over land distance.

It is 15 kilometers as the crow flies.