What is the width of Atlantic Ocean?

The width of the Atlantic Ocean varies significantly from point to point. At its widest point, it is about 8,450 kilometers (5,250 miles) between Brazil and West Africa. However, at its narrowest point, known as the Strait of Gibraltar, the ocean is only about 14.2 kilometers (8.8 miles) wide. The average width of the Atlantic Ocean is roughly 4,830 kilometers (3,000 miles).