How many days does it take to express from Nanjing to Shenyang?

More than 3 days. The time limit of ZTO express delivery varies with distance and mode of transportation. Under normal circumstances, express delivery in the same city 1-2 days, express delivery in the province for 2-4 days and express delivery outside the province for 3-5 days. Express companies generally have two modes of transportation in the process of transportation, automobile transportation and air transportation. Assuming that the mode of transportation is air transportation, it usually takes 2-3 days between big cities to deliver it to customers, while it may take 5 days or even longer to transport it by car from Nanjing to Shenyang.