The distances are not accurate, You can find the correct data in "Dill's Q&A".
According to Wikpedia, here on Earth a league can have many different definitions, depending on the country and culture... generally, anything from one and a half to more than seven miles. No wonder Fleur's puzzled.
This world is huge.
Actually it's smaller than Mars. By 2000.00 miles or so.
But everything is relative...
I just got home from extensive surgery on my jaw and forehead, Going to be unable to post for two or three weeks, sorry. Ed.
Take care of yourself, Ed. The comics can wait. We'll be here when you get back.