The calculated distance (air line) between Long Xuyên and Đồng Xoài is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Đồng Xoài is certainly longer, as only the direct route (as the crow flies) between Long Xuyên and Đồng Xoài has been calculated here.
Air line (approximately)
203 kilometers
110 nautical miles