The calculated distance (air line) between Kuala Kangsar and Alor Setar is approximately 102 miles respectively 163 kilometers.
By car or train, the actual journey to Alor Setar is certainly longer, as only the direct route (as the crow flies) between Kuala Kangsar and Alor Setar has been calculated here.
Air line (approximately)
163 kilometers
88 nautical miles