44 cents
It did cost $1.10 to mail a postcard in the US in 2003.
32.00
To mail a first class international postcard to Canada, you will need to attach $1.10 in postage. The maximum size for a postcard is 6" in length x 4.25" in height.
800 squid
postage for a postcard sent from Australia to the U.S. costs AU$1.40.
In 1955 it cost $.02 cents to mail a postcard. As of 2014, the cost to mail a postcard is $.03 cents.
A postcard that weighs around an ounce will be around thirteen dollars through international mail. The bigger the postcard, the more it costs. The cost can be as much as thirty dollars.
Get a first class stamp
it would be about 40,000,000 miles
98 cents
34 cents as of 2016.