The calculated distance (air line) between Petaling Jaya and Pulau Sebang is approximately 62 miles respectively 100 kilometers.
By car or train, the actual journey to Pulau Sebang is certainly longer, as only the direct route (as the crow flies) between Petaling Jaya and Pulau Sebang has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles