If you're talking about if you need a passport to get into Hawaii, then no. Hawaii is a state, it's not a foreign country.
no. you don't need a passport
There are several. You need to be more specific.
No
Yes, you would need a passport for this as you are traveling internationally.
The two cities are located on different islands. Honolulu is on Oahu and Kamuela is on Hawaii. You would need to catch a plane from Kona or Hilo to get to Honolulu. From Kona airport, Honolulu is 163 miles and it will take you about 40 minutes. From Hilo, which is 216 miles away from Honolulu, it will take you 48 minutes.
No.
No, Alaska and Hawaii are a part of the US.
No, Hawaii is one of the 50 states.
No. Hawaii is one state in the United States of America.
Hawaii is a US state - if you don't need a passport to go to Nevada or Michigan, you don't need a passport to go to Hawaii.
That depends on where you're coming from, and your country of citizenship. If you're a US citizen and flying from Los Angeles, it's about as difficult to enter Hawaii as it is to enter Santa Monica. Remember that Hawaii is one of the US of A.