The calculated distance (air line) between Bình Thạnh and Thốt Nốt is approximately 88 miles respectively 141 kilometers.
By car or train, the actual journey to Thốt Nốt is certainly longer, as only the direct route (as the crow flies) between Bình Thạnh and Thốt Nốt has been calculated here.
Air line (approximately)
141 kilometers
76 nautical miles