The calculated distance (air line) between Petaling Jaya and Simpang Empat is approximately 144 miles respectively 232 kilometers.
By car or train, the actual journey to Simpang Empat is certainly longer, as only the direct route (as the crow flies) between Petaling Jaya and Simpang Empat has been calculated here.
Air line (approximately)
232 kilometers
125 nautical miles