Is 138 square meters as big as Dallas?
It's about 0.0000002 times as big as Dallas
The size of Dallas is about 887,100,000 square meters.
(Texas)
The third-largest city in Texas and the ninth-largest in the United States as of 2009, Dallas measures 887,100,000 square meters in total area. The city is known as a strong industrial, commerce, and banking center, and as an "inland port," due to its metropolitan airport, Dallas-Fort Worth International.
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