From Dunstoke, Oak can go travel to. Where do you want him to go?
Cheltenborne (Hammarsett)
Rotherthorpe (Minas Ithil)
Winham (Minas Ithil)
Winwich (Minas Ithil)
York (Minas Ithil)
Hammarsett and Minas Ithil(Where Oak belongs to) are both Ally, so no worry about travel to their lands.