Landon was private secretary to the Governor of New South Wales William Lygon, 7th Earl Beauchamp, 1900. In 1898 he and Beauchamp had holidayed in Paris. In 1903 he was special correspondent of the Daily Mail at the Delhi Durbar, in China, in Japan and in Siberia; in 1903–1904 he was special correspondent of "The Times" on the British military expedition to Lhasa, Tibet; in 1905–1906 he was special correspondent of "The Times" for the Prince of Wales' visit to India; and after that he was in Persia, India, and Nepal, 1908; Russian Turkestan 1909; Egypt and Sudan 1910; on the North Eastern Frontier of India and at the Delhi Durbar, 1911; in Mesopotamia and Syria, 1912; in Scandinavia and behind the British and French lines in 1914–1915; behind the Italian lines and to the Vatican in 1917 (the war and Vatican visits with Kipling); at the Paris Peace Conference, 1919; in Constantinople, 1920; in India, Mesopotamia, Syria, and Palestine 1921; on the Prince of Wales' tour of India and Japan, 1921–1922; in China and North America 1922; at the Peace Conference in Lausanne, 1923; in China, Nepal and Egypt 1924; and in China in 1925 (source except where noted: "Who Was Who").