The calculated distance (air line) between Kuala Pilah and Batu Pahat is approximately 77 miles respectively 124 kilometers.
By car or train, the actual journey to Batu Pahat is certainly longer, as only the direct route (as the crow flies) between Kuala Pilah and Batu Pahat has been calculated here.
Air line (approximately)
124 kilometers
67 nautical miles