The calculated distance (air line) between Long Xuyên and Châu Đốc is approximately 31 miles respectively 49 kilometers.
By car or train, the actual journey to Châu Đốc is certainly longer, as only the direct route (as the crow flies) between Long Xuyên and Châu Đốc has been calculated here.
Air line (approximately)
49 kilometers
27 nautical miles