If you settle your case by an agreement, your attorney may negotiate a non-relocation clause in the agreement to prevent the other parent from moving away with the children.
Without such an agreement, the standard for relocating with the child is "the best interests of the child." The court will weigh the impact of the child's move, including decreased visitation time with the other parent and the effect on his education and social relationships, against the reason for the relocation. A parent who wants to relocate as a result of remarriage or employment opportunity must show that such a move will be in the child's best interest and not simply to fill the parent's desires.