United States: length of shoreline and coastline as of 1948, by state
The United States has a total coastline measuring approximately 12,383 miles, and a shoreline measuring 88,633 miles. Alaska is, by far, the state with the longest individual coastline or shoreline, and its coastline is even considered longer than all other states combined. The mainland's west coast has a combined length of 1,293 miles (shore: 7,863 miles), while the southern and eastern coast (from Texas to Maine) have a combined length of 3,700 miles (shore: 45,814 miles).
