Length: 358 mi. Direction: east-west. Florida State Road 20 (SR-20) in northern Florida and the Florida Panhandle, begins in Niceville and ends in Bunnell. The highway stretches across the counties of Okaloosa, Walton, Washington, Bay, Calhoun, Liberty, Leon, Jefferson, Madison, Taylor, Lafayette, Suwannee, Columbia, Alachua, Putnam, and Flagler.
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