No you don't need a passport to get from Pennsylvania to New York.
No, but if you are traveling from Brazil to New York yes you do need a passport for that.
If you are an American citizen then you do not need a passport to fly from New York to Florida.
If you need a passport to go from wherever you are to New York or California, then you need a passport to enter Puerto Rico. If you don't need a passport for New York or California, then you don't need a passport for Puerto Rico.
everyone flying into the US needs a passport
YES, YOU NEED A PASSPORT TO TRAVEL OUT OF THE COUNTRY. NOT TRAVELING AROUND YOUR COUNTRY.
Not at this time.
Yes no matter what the distance you will need a passport to travel across the border.
Of course not, it is the same country, Do you need passport to go to California from New York?