Just one. The post office does not charge on distance within the US, only on size and weight. The current first class postage rate is 42 cents for the first ounce.
A whole lot
one $0.45 stamp for a letter. more for heavier pacakages.
A single First Class stamp is adequate.
If it is a regular size letter and weight that is one stamp.
One, as long as it is a 44 cent stamp.
A normal letter requires just one first class stamp to be delivered anywhere within the USA.
Two 37 cent stamps (assuming that the letter doesn't weigh more than an ounce). But as you only need to put one 41-cent stamp on the letter, you could go buy some 2-cent stamps and save yourself some money.
per Mapquest.com --- 785 miles.
According to Google Maps, it's about 640 to 660 miles from Colorado Springs to Harlan, Iowa, depending on which route you take.
It takes three stamps to send a letter to Norway.
how many forever stamps = .94
3 stamps!