The calculated distance (air line) between Kattivākkam and Chinnasekkadu is approximately 6 miles respectively 9 kilometers.
By car or train, the actual journey to Chinnasekkadu is certainly longer, as only the direct route (as the crow flies) between Kattivākkam and Chinnasekkadu has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles