The calculated distance (air line) between Gāndhī Nagar and Kallakurichi is approximately 124 miles respectively 200 kilometers.
By car or train, the actual journey to Kallakurichi is certainly longer, as only the direct route (as the crow flies) between Gāndhī Nagar and Kallakurichi has been calculated here.
Air line (approximately)
200 kilometers
108 nautical miles