The calculated distance (air line) between Sungai Udang and Batu Pahat is approximately 62 miles respectively 99 kilometers.
By car or train, the actual journey to Batu Pahat is certainly longer, as only the direct route (as the crow flies) between Sungai Udang and Batu Pahat has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles