The calculated distance (air line) between Phan Thiết and Tuy Hòa is approximately 171 miles respectively 275 kilometers.
By car or train, the actual journey to Tuy Hòa is certainly longer, as only the direct route (as the crow flies) between Phan Thiết and Tuy Hòa has been calculated here.
Air line (approximately)
275 kilometers
148 nautical miles