The distance from Chengdu to the Tibetan Plateau depends on whether you are measuring the straight-line distance to the region's edge or the travel distance to its major hub, Lhasa. Geographically, Chengdu is located in the Sichuan Basin, while the Tibetan Plateau begins just to the west in the high-altitude mountains of Western Sichuan. The straight-line distance between Chengdu and Lhasa is approximately 1,261 to 1,342 kilometers. When traveling by land, the journey is significantly longer due to the rugged terrain: the Southern (G318) and Northern (G317) highways span about 2,100 to 2,293 kilometers, typically taking 7 to 10 days to drive. By rail, the current route via Xining covers approximately 3,016 to 3,070 kilometers and takes about 34 to 36 hours, though the new Sichuan-Tibet Railway is expected to reduce this distance to 2,100 kilometers and the travel time to just 13 hours upon completion. For those prioritizing speed, a direct flight from Chengdu to Lhasa takes approximately 2 to 2.5 hours.