[noer]

There are a fair amount of large housing developments outside of a 10-12 minute walk to a subway station. Co-Op city in the Bronx is huge (and according to Wikipedia, has 46K residents), LeFrak City in Queens is mostly out of that boundary and, the one on Pennsylvania Ave in Canarsie (whose name escapes me at the moment) are all large developments without easy subway access. You could probably also includes parts of Stuy Town/Peter Cooper Village and those Union Sponsored Mitchell-Lama towers in the LES as being farther than 10 minutes from a subway.