The calculated distance (air line) between Ho Chi Minh City and Thốt Nốt is approximately 84 miles respectively 135 kilometers.
By car or train, the actual journey to Thốt Nốt is certainly longer, as only the direct route (as the crow flies) between Ho Chi Minh City and Thốt Nốt has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles