Within A Short Distance, One Can Rival An Entire Nation

I have read little, so do not deceive me. The meaning of 'within a short distance, one can destroy an enemy nation' clearly indicates that by standing still at this short distance, I can single-handedly annihilate an opposing country

However, I remember that the meaning of this sentence seems to describe a situation where, when two people are very close, it does not matter even if one has a country behind them.

False. Bai Li Qingfeng held his sword aloft, and the electromagnetic field generated by the operation of his thunderous true energy erupted with immense ampere force, propelling the divine sword forged from superconducting red divine steel in his hand to tear through the atmosphere at twenty times the speed of sound, striking and exploding an aircraft carrier three hundred kilometers away, with the flames from the munitions depot's detonation illuminating the sky

You see, I am just within arm's reach

... ...

A world devoid of cultivation, supernatural abilities, and magic, with a touch of true energy; a world where martial artists possess knowledge and culture