The calculated distance (air line) between Belo sur Tsiribihina and Soavinandriana is approximately 147 miles respectively 237 kilometers.
By car or train, the actual journey to Soavinandriana is certainly longer, as only the direct route (as the crow flies) between Belo sur Tsiribihina and Soavinandriana has been calculated here.
Air line (approximately)
237 kilometers
128 nautical miles