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How far do the Andaman and Nicobar island groups extend from north to south?

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Cinque Islands, Andaman and Nicobar Islands — Andaman and Nicobar Islands Andaman redwood trees in the Cinque Islands, south of Rutland Island, in the southern Andamans, Andaman and Nicobar Islands, India.

The Andaman and Nicobar Islands form an arc that extends southward for approximately 620 miles (1,000 km) between Myanmar and the island of Sumatra, Indonesia.1

While the entire archipelago spans this distance, the Andaman Islands group specifically accounts for about 225 miles (360 km) of that north-south stretch. The two major island groups are separated by the Ten Degree Channel, which is approximately 90 miles (145 km) wide.23