Bus from Chiang Rai to Chiang Khong ,Credit : chiangkhong.in.th It is possible to travel between the Chiang Rai and Kunming using Road 3Asia or R3A. This route is part of the GMS North-South Economic Corridor linking this region. You can break the trip into as many sections as you like, depending on the time you have available. Starting from Chiang Rai, the distance to…