Florida has the longest coastline border on the Gulf of Mexico with 770 miles. In Mexico, the state of Veracruz has the longest border with the Gulf of Mexico with 463 miles.
Texas has the largest share of border with Mexico.
Texas
texas boarder
FLORIDA, United States Of America
Texas is bordered by the states of New Mexico, Oklahoma, Arkansas, and Louisiana.Oklahoma to the north has the longest state border with Texas. The longest border of Texas is with Mexico to the southwest.
California has the longest border with Nevada.
The state of Veracruz, with 745 Km (463 miles) of coast, representing 29.3% of the Mexican coast along the Gulf of Mexico.
Kentucky has the longest border with Tennessee.
Montana does not border Mexico.
Texas
Sacramento, California is the capital of the state that has the longest border on the Pacific Ocean