King Charles III and Queen Camilla departed the United States on April 30, 2026 [2], concluding a four-day state visit [1].

The visit served to strengthen diplomatic ties between the U.S. and the U.K., while promoting environmental initiatives championed by the king [4].

The itinerary concluded with a formal farewell at the White House and a state dinner. President Donald Trump and First Lady Melania Trump accompanied the monarchs during these final events [1]. During the proceedings, President Trump said, "The greatest king in my book" [3].

Prior to the farewell in Washington, D.C., the royal couple visited the 9/11 Memorial in New York City [1]. This marked the first visit by a reigning British monarch to New York City since 2010 [4].

The royal party made a final stop in Virginia before boarding their flight back to Britain [1]. The trip focused on honoring shared history and reinforcing the "special relationship" between the two nations through high-level engagement and public ceremonies [4].

"The greatest king in my book."

This state visit reinforces the strategic and symbolic alliance between the U.S. and the U.K. By combining traditional diplomatic functions at the White House with a visit to the 9/11 Memorial, the trip balanced geopolitical interests with a public acknowledgment of shared historical grief and resilience.