You can walk in a straight line from Madrid to Shanghai without hitting a major body of water using Earth’s curvature.
Egg hatching route.
For everyone who says “that’s not a straight line it’s a curved line” please remember that the Earth is round, not flat. Here’s the line, as rendered with Google Earth:
As you can see, the line is straight!
I would walk 500 miles, and I would walk 500 more, but I wouldn’t swim a single mile
just to be the man who walks 6368 miles to fall down at your door