Вот тут Говард говорит:
If you put the maps on top of each other it is about as big as its predecessor. But Skyrim is different because of all the mountains that form our routes.
The terrain makes it smaller in practice, but you spend more time trying to move through it because they often can not be crossed. So it probably seems bigger.
Вот как раз искусственные границы меня дико бесили в Нью Вегасе. Печаль.(((((((((((((((