The calculated distance (air line) between Petaling Jaya and Padang Serai is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Padang Serai is certainly longer, as only the direct route (as the crow flies) between Petaling Jaya and Padang Serai has been calculated here.
Air line (approximately)
292 kilometers
158 nautical miles