San Gimignano is about 52 km from the ocean.
If you're driving to a town near the beach or coastline, you could try Marina di Castagneto-marina di Donoratico.
How far is Ojai from the ocean
How far is Newport from the ocean
How far is Whitefish from the ocean
How far is Mystic from the ocean
How far is Atlantic City from the ocean
How far is West Palm Beach from the ocean
How far is Annapolis from the ocean
How far is Savannah from the ocean
How far is St. Louis from the ocean
How far is Batu Caves from the ocean