The calculated distance (air line) between Nibong Tebal and Kota Bharu is approximately 138 miles respectively 222 kilometers.
By car or train, the actual journey to Kota Bharu is certainly longer, as only the direct route (as the crow flies) between Nibong Tebal and Kota Bharu has been calculated here.
Air line (approximately)
222 kilometers
120 nautical miles