Look at the walls she's built to protect herself this way. They went up one brick at a time, over time. That wall can't be smashed through, it has to come down the same way it was built...one brick at a time, which will take....time.
Moving away from you CAN actually be a good thing...it can give her an opportunity to MISS you. The more consistent you are in your actions and words, the more you fight for your marriage by making changes and working to be the man she's longed for....the more you give her to miss while you are apart.
It won't be easy for you, but it CAN be a good thing in the long-run.