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'.
(..) Shut up. Bobby, get the vest. - Right, sarge. - Brady, Howard, cover... Look! - It's stopped. - Seal off a ten-block radius. Get me the SWAT team and an ambulance double-quick. We're going up. Pembry! Boyle! (..)1991 The Silence of the Lambs