The calculated distance (air line) between Phan Thiết and Tây Ninh is approximately 138 miles respectively 223 kilometers.
By car or train, the actual journey to Tây Ninh is certainly longer, as only the direct route (as the crow flies) between Phan Thiết and Tây Ninh has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles