A key aspect of how globalization and planning are tied together is that the traveling of planning ideas across nation-states has sped up and gained intensity. Such transnationality echoes similar conceptualization in economic geography, migration studies, and in the literature on ``transnational urbanism.{''} Using the example of the transnational flow of strategic planning ideas and practices, this article highlights the rising role of policy tourism, the important function of city-networks and multilateral institutions (particularly UN-HABITAT), and the uneven processes of transnational norm-making.