The calculated distance (air line) between Đồng Xoài and Svay Rieng is approximately 80 miles respectively 128 kilometers.
By car or train, the actual journey to Svay Rieng is certainly longer, as only the direct route (as the crow flies) between Đồng Xoài and Svay Rieng has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles