The calculated distance (air line) between Vĩnh Long and Thủ Dầu Một is approximately 68 miles respectively 110 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 Vĩnh Long and Thủ Dầu Một has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles