28 cents
USPS.com says it costs 98 cents to send a postcard from the US to Australia.
One cent
The current USPS postcard rate from the US to Chile is 94 cents.
As of January 20th, 2009, the rate to send a postcard from Canada to the US is $0.98. Reference: http://canadapost.ca/Personal/RatesPrices/Send/PostageStamps.aspx
One Euro.
44 cents
It will cost approximately 98 cents to send a postcard to France from the US. However, the postcard will take about 3-4 weeks to actually arrive to its France destination.
It all depends on how much you'r postcard weighs. The more it weighs, the more money it will cost.
This is mudder fn bul if i knew that answer I wouldn't be on here
2,10 E -- as of September, 2011
It depends on where you send it from.
To send anywhere internationally from Egypt is 2.50 LE (October 2010)