From 26.7N/ 80 W, just south of West Palm Beach, and just east of the US Highway 98/ US Highway 1 intersection, to the 22.5N/ 56.0W coordinate estimates above.
Great circle, as the crow flies, is 1330 nm at 95degrees true.

Checked the CMC 0815_00Z model at sea level for the 120 hour forecast. Which was last night at 8PM EDT.
The model had Dean a bit to the south and east of where he actually was. Close enough!
http://moe.met.fsu.edu/cgi-bin/cmctc2.cg...&hour=120hr
http://moe.met.fsu.edu/cgi-bin/cmctc2.cg...&hour=000hr