File a petition to modify the geographic restriction. You likely have a good reason to do so.
I am not intending this to be legal advice, because I don't know the particulars of your situation. Call me if you would like to discuss this or other isues.
File a petition to modify the court's order in which child custody, visitation and child support were outlined in detail. It sounds like you have good cause to have the order modified. Please keep in mind that it may also depend on the date of the original order. You will likely have to prove that such a substantial chnage has cocured since the date of the last order that it is now necessary to modify it. Good luck.