There are several things you can do.
1. File to modify the visitation and child support orders making you the PC and her NCP with visitation in her home in Oakwood GA and that she be responsible for the cost of any transportation. Schedule TBA.
2. Change child support orders.
3. Contact the passport division of the US State Department and flag their names to prevent passport issuance, have the court collect their passports if they have them already, don't sign to issue new passports.
4. Petition the court to deny permission to move.

