Kalok said:While none of us truly knows, I suspect that, in a word, the answer is yes.
Pretty much. It's a commonly asked question, but it's not really answerable. It can't really be measured in square miles or what have you. Especially because the world is still being built. But it's safe to say it will definitely take hours to get from one side of the world to the other. Brad has said many times that one of the keys to building a living world is making it feel huge.
See these threads for more discussion:
https://www.pantheonmmo.com/content/forums/topic/5364/world-size
https://www.pantheonmmo.com/content/forums/topic/5111/pantheons-size
https://www.pantheonmmo.com/content/forums/topic/5071/content-at-release