Sunrises and Sunsets, definitive proof the earth isn't flat

Imagine if the sun was just 93 miles overhead for a moment.

Now here is what is wrong with that.

No matter where you are in the world, the sun rises directly east, and sets directly west.  That is true of people in the northern and southern hemispheres, which are thousands of miles apart.  If the sun was just 93 miles overhead, it would not be possible for all people of the world to see the sunrise and sunset directly east and west respectively, as is seen across the world.

On the flat earth map, as shown, depending on where you are in the world, would dictate which direction the sun was rising from and setting in.  Some places would look different directions to observe this phenomenon, which we know is not true.