There's not much you can do if H is all set on moving away. My H and I lived 2500 miles apart for a year after his PA ended. All you can do now is to fully detach and move forward. Don't initiate contact with him. If he does contact you, be pleasant and act as if. Your H has to go through his journey at his own pace. There are no guarantees that he'll maintain contact with you but if he does, casually let him know that you are living your life (not merely waiting around for him). Is there an OW in the picture?
Me47 H46 S13 M16 Piecing since May/09
"Life is 10% what happens to us and 90% how we react to it." Lou Holtz