The calculated distance (air line) between Tsaratanana and Soavinandriana is approximately 175 miles respectively 281 kilometers.
By car or train, the actual journey to Soavinandriana is certainly longer, as only the direct route (as the crow flies) between Tsaratanana and Soavinandriana has been calculated here.
Air line (approximately)
281 kilometers
152 nautical miles