how big is oahu

Oahu is about 597 square miles (around 1,545 square kilometers) in area.

It stretches roughly 44 miles (71 km) long and 30 miles (48 km) wide , with about 227 miles (365 km) of shoreline wrapped around it.

In the Hawaiian chain, that makes Oahu the third-largest island (after the Big Island and Maui) and about twice the size of New York City’s land area , which helps put its size into everyday perspective.