The calculated distance (air line) between Mentekab and Bukit Mertajam is approximately 183 miles respectively 295 kilometers.
By car or train, the actual journey to Bukit Mertajam is certainly longer, as only the direct route (as the crow flies) between Mentekab and Bukit Mertajam has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles