Can people on different levels of paradise meet each other?
Yes. The levels of paradise do not separate people from one another. Those who love someone will be with them there too.
The Holy Qur’an describes paradise with images from our world, with gardens, shade and fruit. But it also makes clear that the reality of the life to come is beyond our imagination. We cannot truly grasp even the lowest level of paradise. So we cannot measure the distance between its levels either.
Life on earth already gives us a clue. The Holy Prophet Muhammad (saw) lived in Mecca and Medina among his companions. They walked the same streets, ate the same food and prayed together. Yet the inner world of each one was quite different, and their prayers did not have the same depth. This great inner difference never stopped them from being together.
Paradise can be pictured in the same way. Each person lives at their own level of nearness to God, yet this does not cut them off from those they love. The first verse above promises that the obedient will be in the company of the Prophets, the Truthful and the Righteous. The second describes them sitting face to face.
At heart this is part of human nature. Even the most beautiful place would feel empty and sad without the people we love. It is their nearness that turns a garden into paradise. That is why the hadith above ties being together in the hereafter to the love in one’s heart, not to the height of one’s own level.