Massachusetts, 13 letters.
North Carolina and South Carolina , 13 letters each.
What name ties with the longest name in states
The longest mountain range in the united states is the Rocky Mountains.
Rocky Mountain
massachusetts
The state capital with the longest name in the United States is "Oklahoma City," which has 11 letters.
Massechusets
Massachusetts North Carolina and South Carolina. All with 13 letters.
The longest river in the United States is the Mississippi River.
The three states that border California are Oregon, Nevada, and Arizona.
United StAtes of AmericA
Texas, Florida , and Georgia were slave states
Mississippi river