That will depend on where in the world you are and maybe the size of the envelope. Contact your local post office as they will have the most up to date prices for you.
Postage is 98 cents for an ordinary letter from the US to France,
i thik like a dollar
20
If it your average letter, anywhere from 7 to 10 days.
$1.32
howmuch send a letter from US to Japan
Ask in a post office in France.
From where to where?
That would depend on where in the world you were sending it from. Your local post office would have the current rates.
Depends on the weight
A standard letter up to 100grams within the UK will cost 63p. The same letter going to France will cost £1.52
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.