Seattle is in the state of Washington. California is also a state. Both are in the U.S. So no passport is needed.
no... whenever you travle by car you do not need a passport.
you can be any age
Yes you do.
Going to Seattle from inside the US - no. Going to Seattle from outside the US (even Vancouver) - yes.
yes.
If you are a United States citizen, you do not need a passport to travel from NY to California, as these are both part of the U.S. If you are not a United States citizen, you should have your passport from your home country with you whenever you travel in the U.S.
No , you do not need a passport unless you are leaving the US.
Your drivers license and a passport for the border.
Of course not, it is the same country, Do you need passport to go to California from New York?
No But it is helpfil to have one
i do not think so
If you are a US citizen and the cruise departs and returns to Seattle (considered a closed-loop cruise) with a stop in Canada, you will not need a passport under the terms of the first phase of the Western Hemisphere Travel Initiative.You will, however, need a certified copy of your birth certificate and a valid government-issued photo ID (such as a drivers license).