Not a hundred/thousand/million miles away/from here - Idioms by The Free Dictionary
not a hundred/thousand/million miles away/from here
not a hundred/thousand/million miles away
Only slightly different; quite similar (to something else). Your answer isn't quite right, though it isn't a million miles away. This laptop isn't a hundred miles away from the top-end computers, and it's much more affordable!
not a hundred/thousand/million ˈmiles away/from here (humorous) used to identify somebody/something indirectly: The person I’m talking about is not a hundred miles from here, but I’m not in a position to say who he is. ♢ We’re talking about a factory not a million miles away.