My girlfriend lives in and is a citizen of Ghana.
She wants to visit me in the USA. What must
She do to get a passport and visa to travel to
The United States? How much does it cost? How
Long will it take to complete the process?

It costs $131.00 for a visitor's visa, with a $131.00 fee for a visitor's card, not everyone needs this card though. So no more than $262.00

If she is asking for mor money than this to come visit you, it is a scam. Please contact me for more information if you need to know more or look at my other posts in the passports and visas section.

What are the right document need to come to canada, and how much does each cost,and also how much for the plane ticket to come to canada

How can I find out if someone really has the visa and it is real. I have a copy of the passport but am having trouble getting info for the consulate. Any suggestions. Tim