The calculated distance (air line) between Kampar and Bukit Mertajam is approximately 87 miles respectively 140 kilometers.
By car or train, the actual journey to Bukit Mertajam is certainly longer, as only the direct route (as the crow flies) between Kampar and Bukit Mertajam has been calculated here.
Air line (approximately)
140 kilometers
76 nautical miles