More than 100,000 students live 'within' a 10-mile 'radius' of the university. [=within 10 miles of the university]
There are three restaurants 'within' a one-block 'radius' of our apartment.
The new museum is expected to draw people from a wide 'radius'.
(..) we have this intel, it has a self-destruct on it. You flip this switch, say "nightlock" three times, and it blows itself and anything within a -foot radius. Stay within our unit. Even with the holo, it is likely that new pods have been set. Whatever they contain, (..)2015 The Hunger Games: Mockingjay - Part 2