The calculated distance (air line) between Long Xuyên and Thủ Dầu Một is approximately 92 miles respectively 148 kilometers.
By car or train, the actual journey to Thủ Dầu Một is certainly longer, as only the direct route (as the crow flies) between Long Xuyên and Thủ Dầu Một has been calculated here.
Air line (approximately)
148 kilometers
80 nautical miles