king of prussia is a regular mall
I believe I heard that King of Prussia Mall is now the largest mall in the USA. The outlets are https://www.premiumoutlets.com/outlet/gloucester/about https://www.simon.com/mall/philadelphia-mills https://www.tangeroutlet.com/atlanticcity The Atlantic City outlets are roughly 60 minutes from Philadelphia straight down the Atlantic City Expressway. You can also visit the Casinos while in AC.
Its not really it's more of a high fashion store if your looking for cheaper prices that's not the place unless you want to do a lot of walking. There is an outlet not to far but it's across the bridge in new jersey called Gloucester outlets about 25 minutes away from Philly but if you want another place closer that's similar try Philadelphia Mills. Hope I was helpful
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