not more than a particular distance away
A shell exploded within 150 feet of the Allied headquarters.
within reach of something (=close enough to a place for you to go there easily): Hotel Belvedere is within easy reach of the town center.
within sight/earshot (=close enough for you to see or hear): At last our little boat came within sight of Alexandria Bay.
“Hurry up!” Dan yelled, as soon as Peter was within earshot.
Synonyms and related words