The calculated distance (air line) between Fenoarivo Atsinanana and Antalaha is approximately 181 miles respectively 291 kilometers.
By car or train, the actual journey to Antalaha is certainly longer, as only the direct route (as the crow flies) between Fenoarivo Atsinanana and Antalaha has been calculated here.
Air line (approximately)
291 kilometers
157 nautical miles