People navigate using the accepted distances from the RE globe and guess what? The distances are correct. If people were to realize that it took twice as long to go from one place to another using RE distances compared to real distances, don't you think that people would have stopped using these distances a long time ago? Come on, if a flight was supposed to take 8 hours, for example, but took 14 hours instead, that would be a major flag that something is wrong, especially if it happened consistently. Plus planes would likely be crashing left and right due to lack of fuel in the Southern Hemisphere, but not in the Northern hemisphere. Can you provide proof that this happens?