Eating gluten-free away from home is the "expert" difficulty setting of gluten intolerance. For short trips, it is easy to pack a few ready to eat snacks like granola bars and chips. But once your travel involves an overnight stay, a significant level of planning has to happen. Here are links to posts where I offer guides and reviews for gluten-free living on the road.
New Orleans, LA, USA (Weekend)
Trondheim, Norway (four-month stay)