The calculated distance (air line) between Petaling Jaya and Batu Pahat is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Batu Pahat is certainly longer, as only the direct route (as the crow flies) between Petaling Jaya and Batu Pahat has been calculated here.
Air line (approximately)
203 kilometers
109 nautical miles