User blog comment:FairyRaven/Fairy Tail Chapter 414: Drops of Fire, Review and Commentary/@comment-24930767-20150105144213/@comment-7418318-20150105144643

Since they started out from the same place as Igneel, it'd make sense for them to move outward from that position while destroying all the Faces. Most likely they are literally on the other ends of the continent (or at least Fiore).