Seoul, Beijing, Tbilisi and Krakow have been just some of stops on the US Secretary of State's recent itinerary.
Just spare a thought then for America's top diplomat because she's been combining promoting democracy and defusing international crises with matters like choosing bridal bouquets.
In three weeks time her only child with former US president Bill Clinton, 30-year-old Chelsea will become Mrs Marc Mezvinsky and mum has been involved every step of the way.
"It truly is the most important thing in my life right now," she told a TV interviewer.
"Luckily, we have email now. I can communicate and people can send me picture of flower arrangements and other kinds of decisions."
She added that she had managed "to fit in tastings and dress selections and all the other things a mother of the bride has to do" with her hectic travelling.
Her husband Bill has also had an important task. He joked that their daughter has demanded he lose weight so that he would look better in the photos of the big day.
Chelsea and her fiancé, a banker with Goldman Sachs, are thought to be tying the knot on July 31 in the picturesque town of Rhinebeck, 100 miles north of New York city.
They will become man and wife at Astor Courts, a 50-acre estate, offering spectacular views of the Hudson river, once belonging to late tycoon John Jacob Astor.