The calculated distance (air line) between Tirumalarājanpatnam and Kallakurichi is approximately 84 miles respectively 135 kilometers.
By car or train, the actual journey to Kallakurichi is certainly longer, as only the direct route (as the crow flies) between Tirumalarājanpatnam and Kallakurichi has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles