sentence1: Only 5 km (3 miles) west of Ocho Rios, Dunn's River Falls is a series of limestone cascades that carry the water of Dunn's River almost to the sea.
sentence2: Only 15 km (9 miles) west of Ocho Rios, Dunn's River Falls is a series of limestone cascades that carry the water of Dunn's River almost to the sea.