>>17665424I've marked on your model the approximate locations of three cities, Santiago in Chile, Seattle in the USA and Sydney in Australia.
We can clearly see that the distance of Santiago to Seattle is far greater than that of Seattle to Sydney. If this is true, we would thus expect the flight times between Santiago - Sydney to be far longer than the flight times between Seattle - Sydney.
So let's look it up:
https://www.travelmath.com/flying-time/from/Santiago,+Chile/to/Sydney,+Australia>The flight time from Santiago, Chile to Sydney, New South Wales is: 14 hours, 38 minuteshttps://www.travelmath.com/flying-time/from/Seattle,+WA/to/Sydney,+Australia>The flight time from Seattle, Washington to Sydney, New South Wales is: 15 hours, 59 minutesHold on a minute, not only is the flight time of Santiago - Sydney not significantly longer than that of Seattle - Sydney, it's shorter! That's impossible on a flat Earth.
But you know on what Earth it isn't impossible?