The calculated distance (air line) between Ấp Phước Tĩnh and Dĩ An is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Dĩ An is certainly longer, as only the direct route (as the crow flies) between Ấp Phước Tĩnh and Dĩ An has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles