The driving distance from Leh to Pangong Lake is approximately 160 kilometers (100 miles). The journey typically takes around 4 to 5 hours, depending on road conditions and traffic. The route involves traversing through mountainous terrain, including the famous Chang La pass at an altitude of 5,360 meters (17,590 feet). The road is mostly well-maintained, but it can be challenging due to its steep inclines and narrow stretches. It is advisable to start early in the morning to avoid any rush hour traffic and to allow ample time for breaks and enjoying the scenic beauty along the way.