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'.
(..) Better yet, a pinch is a bomb without the bomb. When a nuclear weapon detonates, its electromagnetic pulse... ...shuts down any power source within its blast radius. It usually doesn't matter because a nuclear weapon destroys everything . A pinch creates a similar electromagnetic pulse... (..)2001 Ocean's Eleven