The calculated distance (air line) between Pekanbaru and Alor Gajah is approximately 139 miles respectively 224 kilometers.
By car or train, the actual journey to Alor Gajah is certainly longer, as only the direct route (as the crow flies) between Pekanbaru and Alor Gajah has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles