The calculated distance (air line) between Tāttayyangārpettai and Tirunelveli is approximately 174 miles respectively 279 kilometers.
By car or train, the actual journey to Tirunelveli is certainly longer, as only the direct route (as the crow flies) between Tāttayyangārpettai and Tirunelveli has been calculated here.
Air line (approximately)
279 kilometers
151 nautical miles