This dataset is a market activity dataset, covering the average transportation distance for washed clean coal in the southwest region of China. In China, coal is primarily transported by rail, water, and highway. Average coal transportation losses have also been included. Data references include the China Transport Yearbook, China Energy Statistical Yearbook, Chongqing Statistical Yearbook, Sichuan Statistical Yearbook, Yunnan Statistical Yearbook, and customs statistics from the General Administration of Customs.