Nongkhai Tourism In Thailand Information Sunsite Th Another province located on the bank of the Mae Khong. Nong Khai is only twenty four kilometers from Vientiane opposite Tha Dua on the other side. At Amphoe Si Chiang Mai some forty kilometers from town, a road runs along the river bank affording clear view of the Laotian landscape. Nong Khai is 615 kilometers from Bangkok. Attractions and Places of