How Far Is A Block

How many blocks? 3

Out of curiosity, did any accident happen? US steps, please. (How many miles is a block).

Usually not always in the United States. Cities' main roads are within half a mile of each other, such as Chicago. Between these main roads are 4 long blocks or 6 SRT blocks. So divide half a mile by 6 or 4 to get the average length of the block.

How Far Is A Block

City Block is 1/20 mile.
There is no standard. They can vary widely within the same city.
In Portland, Oregon, for example, there are 20 blocks per mile in the downtown area and gates on the east side, but blocks in the southwest are usually 10 blocks per mile.
There is no standard unit of measure anywhere in the world. In other words, there is no standard block length.
Even in the same city you will see blocks of different lengths. One is that there is no standard size.