The calculated distance (air line) between Dĩ An and Phong Điền is approximately 98 miles respectively 157 kilometers.
By car or train, the actual journey to Phong Điền is certainly longer, as only the direct route (as the crow flies) between Dĩ An and Phong Điền has been calculated here.
Air line (approximately)
157 kilometers
85 nautical miles