In “Wicked,” Elphaba and Glinda travel from Shiz University to the Emerald City on a glistening green train to meet the wizard. In real life, Cynthia Erivo and Ariana Grande have traveled much farther and wider and longer — and on airplanes — to promote their hotly anticipated film.

Fans have flocked to social media to comment on the moment, which has also inspired a series of memes Ariana Grande and Cynthia Erivo sparked a viral moment during the Wicked press tour. During an interview with Out.