This dataset is a market activity dataset, covering the average transportation distance for washed medium-sized coal in the Southwest region. In China, coal is primarily transported via railways, waterways, and highways. Average coal transportation losses are also included. Data sources include the China Communications Yearbook, China Energy Statistical Yearbook, Chongqing Municipal Statistical Yearbook, Sichuan Statistical Yearbook, Yunnan Statistical Yearbook, and customs statistics from the General Administration of Customs.