The calculated distance (air line) between Maevatanana and Antsohihy is approximately 162 miles respectively 261 kilometers.
By car or train, the actual journey to Antsohihy is certainly longer, as only the direct route (as the crow flies) between Maevatanana and Antsohihy has been calculated here.
Air line (approximately)
261 kilometers
141 nautical miles