If you've only flown short distances, flying might be something you consider a breeze. Just pack a magazine and a snack and you'll be fine for a couple of hours. But flying long distances, sometimes 12 hours or more, is a whole other ballgame. You'll have to be prepared for the challenges, both physical and mental, of your journey. Here are a few tips for making your next long-distance flight a little easier. 1. Buying Your Ticket When flying on an average two to three-hour ...