The calculated distance (air line) between Antsirabe Afovoany and Antalaha is approximately 114 miles respectively 183 kilometers.
By car or train, the actual journey to Antalaha is certainly longer, as only the direct route (as the crow flies) between Antsirabe Afovoany and Antalaha has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles