The calculated distance (air line) between Thành Phố Bà Rịa and Dĩ An is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Dĩ An is certainly longer, as only the direct route (as the crow flies) between Thành Phố Bà Rịa and Dĩ An has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles