Howlong Does A Letter Take To Get To Honduras How Long Does It Take To Get US Visa Via Sister ?

How long does it take to get US visa via sister ? - howlong does a letter take to get to honduras

My sister, who lives in the United States and wants to send me a letter of invitation (guest) How long does it take to be released? Can I apply for visitor visa Viza permanent change? Does it matter what age? (I am over 44 years and only now)