The calculated distance (air line) between Long Xuyên and Mỹ Tho is approximately 63 miles respectively 101 kilometers.
By car or train, the actual journey to Mỹ Tho is certainly longer, as only the direct route (as the crow flies) between Long Xuyên and Mỹ Tho has been calculated here.
Air line (approximately)
101 kilometers
55 nautical miles