The calculated distance (air line) between Bukit Rambai and Batu Pahat is approximately 59 miles respectively 95 kilometers.
By car or train, the actual journey to Batu Pahat is certainly longer, as only the direct route (as the crow flies) between Bukit Rambai and Batu Pahat has been calculated here.
Air line (approximately)
95 kilometers
51 nautical miles