how big is a nyc block
It depends on the city. In New York City, the average length of a north-south block is 1/20th of a mile, or 264 feet. An east-wes â¦ t block is about 1/5th of a mile, or 1,056 feet.  So, a square block would be 264 x 1056 = 278,784 square feet, which is equal to 6.4 acres.