So you believe that they walked across the entire world in less than 7 days. You're not going to make me agree to story-time only passing when we see people take a nap. It'd take me longer to bicycle from south to north of Norway, and that's both a faster means of transportation, and just a tiny country in a much larger world. And this is not counting all the time they wasted getting captured by Yevon, taking detours to who knows where, and lots of other stuff.