This dataset is a market activity dataset covering the average transportation distance for Steam clean coal in the southwestern region of China. In China, coal is primarily transported via railway, waterway, and highway. Average coal transportation losses are also included. Data sources include the China Transportation Yearbook, China Energy Statistical Yearbook, Chongqing Municipal Statistical Yearbook, Sichuan Statistical Yearbook, Yunnan Statistical Yearbook, and customs statistics from the General Administration of Customs.