The calculated distance (air line) between Kuala Lumpur and Batu Arang is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Batu Arang is certainly longer, as only the direct route (as the crow flies) between Kuala Lumpur and Batu Arang has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles