> I thought block is a unit, just like meter or kilometer. It is a unit, the distance between streets, but it varies widely across boroughs/districts in a sing

> I thought block is a unit, just like meter or kilometer. It is a unit, the distance between streets, but it varies widely across boroughs/districts in a single city or other municipality, and they aren’t really a reliable indicator of distance between different cities, though they are vaguely walkable for most places and people. From Oxford Dictionary: > (North American English) the area bounded by four streets in a town or suburb > (North American English) the length of one side of a town block, typically as a measure of distance