striking distance noun2 •A distance at which a soldier, military force, vessel, etc. is sufficiently near to be able to attack an opponent."Nay, sir, a soldier, who is about to be posted within striking distance of his enemy, can never speak, with confidence, of separations that are to be short." — 1845 •(figurative) A distance at which one is sufficiently near to an objective to have an opportunity to achieve it.I'm working on an invention of a new aeroplane stabilizer, and if I go now it will be just at a time when I am within striking distance of success. — 1917 formsstriking distances