Florida State Road 651

State Road 651 (SR 651) is a 3.798 mi state highway in Pinellas County, Florida, that runs from U.S. Route 19 Alternate and Florida State Road 686 in southern Largo to Florida State Road 60 and County Road 375 in Clearwater. It is unsigned throughout, running concurrent with U.S. Route 19 Alternate for the first 3.041 mi, then with Florida State Road 60 until its terminus.