Columbus, Georgia is 2.6 times larger than Savannah, Georgia.
Area: 572 km2 calculated
Columbus is a city in and the county seat of Muscogee County, Georgia, United States, with which it is consolidated. According to the most recent U.S. Wikipedia
Area: 223 km2 calculated
Savannah is the oldest city in the U.S. state of Georgia and the county seat of Chatham County. Established in 1733, the city of Savannah became the British colonial capital of the Province of Georgia and later the first state capital of Georgia. Wikipedia