Complex sentence: It is about 40 km west of the next nearest major island, Axel Heiberg Island, and about 4 km to Meighen's north, across the Hose Strait, lies small crescent-shaped Perley Island.
Split into simpler sentences: It is about 40 km west of the next nearest major island, Axel Heiberg Island. About 4 km to Meighen's north, across the Hose Strait, lies small crescent-shaped Perley Island.