Alaska
Alaska: 6,640 miles Florida: 1,350 miles
Of any US state, yes. But including countries, no.
The US Pacific coastline is 7,623 statute miles long based on the general coastline.
The state with the longest coastline in the US is Alaska.
Of Florida's total 1350 miles of coastline, approximately 580 miles of it are on the Atlantic Ocean. The capital of Florida is F. No, not really. Actually, the capital of Florida is Tallahassee.
Maine
The state with the longest Atlantic coastline is Florida at 1350 miles, or 2170 kilometers. It is also the second longest coastline in the US after Alaska.
The CIA World Factbook says that the U.S has 12,383 miles of coastline.
Maine
The longest coastline of a state in the US is Alaska but the longest continental coastline of a state in the US is Florida.
Alaska has the longest coastline of any state. Hawaii is the only state completely surrounded by water.
California is the closest to a 1600 km coastline, with a 1,352 km coastline.