The calculated distance (air line) between Bến Tre and Thủ Dầu Một is approximately 54 miles respectively 88 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 Bến Tre and Thủ Dầu Một has been calculated here.
Air line (approximately)
88 kilometers
47 nautical miles