The calculated distance (air line) between Petaling Jaya and Gelang Patah is approximately 178 miles respectively 287 kilometers.
By car or train, the actual journey to Gelang Patah is certainly longer, as only the direct route (as the crow flies) between Petaling Jaya and Gelang Patah has been calculated here.
Air line (approximately)
287 kilometers
155 nautical miles