The calculated distance (air line) between Maroantsetra and Fenoarivo Atsinanana is approximately 136 miles respectively 219 kilometers.
By car or train, the actual journey to Fenoarivo Atsinanana is certainly longer, as only the direct route (as the crow flies) between Maroantsetra and Fenoarivo Atsinanana has been calculated here.
Air line (approximately)
219 kilometers
118 nautical miles