city block

noun2

1. •
   The smallest part of a town enclosed by streets.

   • The store is huge, occupying an entire city block.
2. •
   The distance from one urban street to the next, or an approximately comparable distance.

   • In Lawrence, a mile is generally 12 city blocks east-west or 8 blocks north-south.
   • Go along that road for about a city block, and you should see an old barn.