The calculated distance (air line) between Kota Bharu and Simpang Empat is approximately 137 miles respectively 221 kilometers.
By car or train, the actual journey to Simpang Empat is certainly longer, as only the direct route (as the crow flies) between Kota Bharu and Simpang Empat has been calculated here.
Air line (approximately)
221 kilometers
119 nautical miles