When they no longer is a child by law, age 18.
nosee links
Ohio has jurisdiction over the non-custodian parent. The Philippines has no jurisdiction over the non custodian parent and as far as I know the Philippines has no jurisdiction out side of their county.
no see links
No there is no need for the child to go to Texas.
If the noncustodial parent tries to keep the child, the custodial parent can get the noncustodial parent charged with kidnapping and contempt of court both can be jail time for the noncustodial.
No, see link
You need parental consent to move until you are 18.
If non custodian don't pay child support Can custodian parent move from virginia?
Yes, however frequently they ae told that the other parent is uninvolved or the whereabouts are unknown.
No.
can noncustodial parent parent claim 1 child if divorce with 2 kids
This is hard to answer because there can be many variables involved. The noncustodial parent may contest the move and take the custodial parent to court to show cause. But it may not be possible for the noncustodial parent to actually prevent the move unless the move is out of state.