The Atlantic ocean can help you swim to another city. The coastal plain has excellent harbors to get away from a zombie apocalypse by going on a boat. The coastal plain borders the Gulf Of Mexico. It also has wide lowlands and long sandy beaches to hide at.
Has great fertile soil for farming and enjoying your home goods. Rivers are great for drinking water and getting away from the zombies. Valleys and rolling hills are great for you cause zombies aren't good at climbing or swimming.
Located along the Pacific Coast and stretches from Canada to Mexico, you can go to many places. its made up of rugged mountains for zombies cant get near you also fertile valleys to get your home goods. Theirs rocky beaches so the zombies cant chase you on the beach.