Driving from Kathmandu to Lhasa via Kyirong, Tingri, Shigatse and Gyantse cities approx. 1,300 km / 808 miles. Not adding the flight from Lhasa to Kathmandu which comes almost the same distance. But with a difference of aerial between Lhasa and Kathmandu is 600 kilometers, or 375 miles. A flight of 1 hour 10 minutes.