The distance between Xi'an and Chengdu is approximately 658 to 672 kilometers (409 to 418 miles) by rail and about 712 to 714 kilometers (442 to 444 miles) by road. Traveling between the two provincial capitals is most efficient via the high-speed railway, which takes between 3 and 4.5 hours with second-class tickets costing approximately 263 CNY. For those driving or taking a long-distance bus, the journey typically takes between 7 and 12 hours depending on traffic and the specific route through the Qinling Mountains. Alternatively, direct flights between Xi'an Xianyang International Airport and Chengdu's airports take about 1.5 hours, though total travel time is often comparable to the high-speed train when factoring in airport transfers and potential delays. For budget-conscious travelers, normal-speed trains remain an option, though they take significantly longer, ranging from 10 to 16 hours.