The island of Porto Santo, 40 km (25 miles) northeast of Madeira, is the only other inhabited island in the archipelago, with a population of some 5,000.
Porto Santo is one of many inhabited archipelago islands.
mnli hypothesis: Porto Santo is one of many inhabited archipelago islands. premise: The island of Porto Santo, 40 km (25 miles) northeast of Madeira, is the only other inhabited island in the archipelago, with a population of some 5,000.