While it's a disappointing situation, this is to be expected from modern games. I dislike the practice of including a way-point in role-playing games in particular (leniency towards the practice in sandbox games like Grand Theft Auto, because it would be a nightmare), but the best that we could hope for in this situation is for a quest giver to articulate approximate directions and for the journal to replicate them.
Unless, of course, Obsidian have gone well and above the expected standard and already accommodated everyone's preferences, but this is highly unlikely. Fond visions of Morrowind...