striking distance

Noun

 * 1)  A distance at which a soldier, military force, vessel, etc. is sufficiently near to be able to attack an opponent.
 * 2)  A distance at which one is sufficiently near to an objective to have an opportunity to achieve it.
 * 1)  A distance at which one is sufficiently near to an objective to have an opportunity to achieve it.
 * 1)  A distance at which one is sufficiently near to an objective to have an opportunity to achieve it.