One of the stranger experiences in long distance Catholic dating is introducing someone to your world who has never been in it - someone your family cannot meet for coffee, cannot observe at Sunday lunch, cannot form an opinion of through ordinary proximity. You are asking the people who know you best to trust your judgment about someone they can only see through a screen.
That is genuinely hard. Do not minimise it.
Involve your family and close community early - not in the sense of making formal introductions before you know where things are going, but in the sense of not keeping the relationship a secret. The people who know you well are a resource, not a threat. If they have concerns, those concerns deserve a hearing. Sometimes they will be seeing something you cannot see because you are too close. Sometimes they will be reacting to unfamiliarity rather than to a real problem. Learning to tell the difference is part of the discernment.
If your family is not supportive - either of long distance relationships generally, or of this person specifically - take their concerns seriously without letting them make the decision for you. A lack of blessing from family is not nothing. It is also not the final word.
The other side of this is your partner's family and culture. Pay attention. Different cultures carry very different expectations around courtship, around the role of family in choosing a spouse, around what it means to bring an outsider in. What looks like hesitation from their family may simply be unfamiliarity. What looks like warmth may be performance. You need time and patience to understand the difference.
The families are coming with the person. You are not just choosing someone - you are choosing the ecosystem they grew up in and will always carry. That ecosystem is worth understanding before you commit to it.