I will never again complain about the Mount Oliver doughnut hole
I never really thought about it much, but Columbus must be the city with the least contiguousness in the entire nation. It must fail one (or all) of those tests for compactness and dispersion. Talk about a tale of two cities when it comes to mergers and annexations that must have taken place, or in our case didn't take place. The vast bulk of the City of Pittsburgh's territorial growth happened well in the past.