The calculated distance (air line) between Bagan Serai and Kuala Terengganu is approximately 180 miles respectively 290 kilometers.
By car or train, the actual journey to Kuala Terengganu is certainly longer, as only the direct route (as the crow flies) between Bagan Serai and Kuala Terengganu has been calculated here.
Air line (approximately)
290 kilometers
157 nautical miles