At once and As the crow flies

At once

At once adverb - Without delay or hesitation; with no time intervening.

As the crow flies and at once are semantically related. in immediately topic. In some cases you can use "As the crow flies" instead an adverb phrase "At once".

As the crow flies

As the crow flies adverb - By the shortest and most direct route.

At once and as the crow flies are semantically related. Sometimes you can use "At once" instead an adverb phrase "As the crow flies".
Cite this Source
As the crow flies and At once. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/at_once/as_the_crow_flies
At once & As the crow flies. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/at_once/as_the_crow_flies>.
As the crow flies or At once. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/at_once/as_the_crow_flies.