Delaware
Alabama
When comparing countries with a coastline, Sint Maarten has the shortest in existence. Monaco has the third shortest coastline.
Alberta
New Hampshire is home to the shortest coastline of any U.S. state, measuring just 13 miles along the Atlantic Ocean. This brief stretch of coastline is located between Maine to the north and Massachusetts to the south. Despite its length, New Hampshire's coastline features scenic beaches and vibrant seaside communities.
England
New Hampshire
Slovenia
"Monaco has the world's shortest coastline. a total of three kilometres" Altough the smallest coastline does belong to Monaco the smallest coastline relative to size in fact belongs to Bosnia and Herzegovina at 24.5km long. It centered around the only coast town in the country, Nuem.
Canada is the country with the longest coastline (152,100 miles) and Monaco has the shortest coastline (3.5 miles).
England (by the way, it's shorter)
shortest distant from iran coast to bahrain coast