Flat, and no bigger than the distance from Lakewood to Flatbush to Monsey to the Catskills via Monroe, BP and Willy. The rest of the world is of no consequence unless you are a tzioini or unless you have mishpoche in London or Manchester or Gateshead or Antwerp. Montreal and Toronto are bichlal of no consequence no matter how much family you have there. Kew Gardens Hills and the Five Towns/Farkockaway are considered satellites of the real world.
Creedmoor is a world by itself.