Question: how long is mljet island?
Answer: Mljet lies south of the Pelješac peninsula, from which it is divided by the Mljet Channel. Its length is 37 kilometres (23 mi); its average breadth 3.2 kilometres (2.0 mi). It is of volcanic origin, with numerous chasms and gorges, of which the longest, the Babino Polje, connects the north and south of the island.