try this one instead
Drivable radius map
it's not a "as the crow flies" radius. Rather it's based on actual drivable roads.
i registered this account just to say this. i spent 3 hours looking, and figured i'd save other people the effort of finding it all over again.
enjoy
Very cool site.
I knew this already, but I need at least the 230 mile option since the distance, after many drives, to my parents is about 210-220 miles (215 with the web site).
Which raises the question for me, will I be able to make it that far with the 230 option or would I need to move up to a higher tier?