The calculated distance (air line) between Kuala Kangsar and Kota Bharu is approximately 130 miles respectively 209 kilometers.
By car or train, the actual journey to Kota Bharu is certainly longer, as only the direct route (as the crow flies) between Kuala Kangsar and Kota Bharu has been calculated here.
Air line (approximately)
209 kilometers
113 nautical miles