The calculated distance (air line) between Kattivākkam and Sūlūru is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Sūlūru is certainly longer, as only the direct route (as the crow flies) between Kattivākkam and Sūlūru has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles