All perfect praise be to Allah, The Lord of the worlds. I testify that there is none worthy of worship except Allah and that Muhammad, sallallaahu ‘alayhi wa sallam, is His slave and Messenger.
If the girl's parents are as mentioned, old and her traveling may affect their health, then our advice to her is to stay with her parents, keenly show dutifulness towards them, and strive in bringing happiness to their hearts. Perhaps Allah would make her actions a means to bless her with a righteous husband who would help her obey her Lord as due.
She should seek the help of her righteous trustworthy Muslim sisters to find a righteous husband. It is permissible for a woman in Islam to look for a husband or properly propose to a man whom she wishes to marry, as highlighted in fatwa 82471.
Allah knows best.