Guam is a US protectorate- you are still in the US.
You can if you are a US Citizen and are entering from the US.
Since Guam is part of the Unites States Teritory then no, not necessarily unless needed by the airline that you are to use for the travel. However, if you are not a US citizen then you need a passport to enter together with your Visa unless stated otherwise by their law and ntrance requirement.
Guam does not have its own passport. As a territory of the United States, residents of Guam are U.S. citizens and use U.S. passports for international travel. However, Guam does issue its own identification cards and has unique symbols and designs that reflect its cultural identity.
Roughly southwest.
7 1/2 hrs flight
Entry requirements for Guam are the same as for any U.S. destination. Although U.S. citizens are required to possess a U.S. passport, on a case-by-case basis, photo I.D. and proof of citizenship may be accepted.
The time it takes to travel from the center of Guam to the center of Hawaii by ship is 5 days 17 hours 45 minutes. A nonstop flight would take 7 hours 10 minutes.
Hawaii
No, Guam was excluded in 1959 by redrawing Hawaii's borders.
Five time zones will be crossed from Hawaii to Guam. Hawaii is in the Hawaii-Aleutian Time Zone (UTC -10), and Guam is in the Chamorro Time Zone (UTC +10).
The flight distance from Hawaii (HI) to Guam is 3,828 miles / 6 160 km. Flight time is about 8 hours 10 minutes.
Yes you do.