The calculated distance (air line) between Bandar Penawar and Johor Bahru is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Johor Bahru is certainly longer, as only the direct route (as the crow flies) between Bandar Penawar and Johor Bahru has been calculated here.
Air line (approximately)
53 kilometers
29 nautical miles