The aim of this study is to clarify distribution and flow patterns of air passengers from Okayama to Shanghai in the Chugoku and Shikoku District. The data on air passengers for this study are based on the survey in 2000by the author. The results of this study are summarized as follows:
(1) There were many air passengers for Shanghai in big cities located around Okayama Airport, such as Okayama and kurashiki. The passengers were also generated in Kagawa Prefecture. Therefore, Seto-Ohashi Bridge expanded the sphere of the influence of Okayama Airport. Some passengers came from areas which may compete with Hiroshima Airport, such as Fukuyama and Hiroshima.
(2) After getting off planes at Shanghai Airport, all passengers moved to the cities located in the eastern part of China. There wasn't any passengers moving to other countries. Many passengers moved to Shanghai. Some passengers visited Beijing or Nanjing. And, analyzing the relationship between the destinations of passengers and travel purposes, the author made it clear that there were two types of cities: one was the cities that passengers visited on business, and the other was the cities that passengers visited for sightseeing.
(3) Finally, analyzing the relationship between the number of the destinations of passengers and travel purposes, the author made it clear that the passengers for sightseeing had many destinations and passengers on business had one destination.
