You can move to US any time you want provided you get a visa and if you have the money to fly. How is your question related to the topic “When i will get married”
That is a question which Astrology can never answer. Countries are man made and Astrology considers Earth as one unit. Of course long distance travels are there in your horoscope from your place of birth which you already had in your life and similar such travels could be there in future too.