https://www.nationalgeographic.com/travel/features/vintage-pictures-honeymoon-around-the-world-phelps-collection.html

It’s likely they first cruised to France, where the Pells had lived for decades. But from there? Maybe they went east and worked their way back home, sailing to Indonesia, Japan, and China before traveling overland through India to Western Asia and Eastern Europe. From Turkey, through the region now known as Persia, they crossed the Caucasus Mountains up into Russia, then to Western Europe. At some point, they toured the Mediterranean, because why not?