We travel about 400 miles to Mayo from Illinois. It has not been a problem to be away from there as after the first year which involved 2 post op checkups, I now go once a year. Because I take methotrexate for giant cell arthritis, I have my blood checked every 3 months but this can be done at home. I am much closer than you so I understand your dilemma of whether or not to move.
BTW, Dr Pochettino is the best, I think.
Carol