The calculated distance (air line) between Miadanandriana and Fianarantsoa is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Fianarantsoa is certainly longer, as only the direct route (as the crow flies) between Miadanandriana and Fianarantsoa has been calculated here.
Air line (approximately)
279 kilometers
150 nautical miles