“How does a flat earther travel the world?”/“On a plane.”

A flat earth riddle is:
 
Q: How does a flat earther travel the world?
A: On a plane (plain).
 
The joke was posted on Reddit—Jokes on November 30, 2017.
 
     
Reddit—Jokes
How does a Flat Earther travel the world?
submitted November 30, 2017 by NyekMullner
on a plane
 
Twitter
Nitish Shekhar‏
@nitzrulzx412
How does a Flat Earther travel the world?
7:40 AM - 30 Nov 2017
 
Twitter
Lame Jokes‏
@lamejokes_net
How does a Flat Earther travel the world? http://ift.tt/2ioJRrb
on a plane
#jokes
8:42 AM - 30 Nov 2017
 
Twitter
🎄Just call me Santa José 🎄‏
@DifficultLemonZ
How does a flat-earther travel the world?
On a plane.
#jokes #Joke #lol
11:04 PM - 30 Nov 2017
 
Twitter
LaffGaff‏
@LaffGaff
How does a Flat Earther travel the world?
On a plane.
#funny #jokes #jokeoftheday
4:12 PM - 6 Dec 2017