One-if its not over weight.
How many stamps are needed to send a letter from Texas to Alaska?
700 Stamps
Just 1. Hawaii is zone 8.
Any normal letter weighing less than one ounce requires but one stamp for mailing.
How many stamps to STOCKHOLM
In the US, the amount of postage is the same for mailing a letter anywhere within the US. Not sure is additional charge for mailing to Hawaii.
One. If you're just putting a stamp on an envelope, the rate covers the whole of the United States.
typicaly 2 stamps
The flight distance from Honolulu, Hawaii to Houston, Texas is:3,901 miles
if it weighs an ounce or less, three stamps.
1