Complex sentence: The Red Sea has a surface area of roughly 438,000 km 2 (169,100 mi 2), is about 2250 km (1398 mi) long and, at its widest point, 355 km (220.6 mi) wide.
Split into simpler sentences: The Red Sea has a surface area of roughly 438,000 km 2 (169,100 mi 2). It is about 2250 km (1398 mi) long and, at its widest point, 355 km (220.6 mi) wide.