The calculated distance (air line) between Fianarantsoa and Ambatofinandrahana is approximately 65 miles respectively 104 kilometers.
By car or train, the actual journey to Ambatofinandrahana is certainly longer, as only the direct route (as the crow flies) between Fianarantsoa and Ambatofinandrahana has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles