The calculated distance (air line) between Antananarivo and Ambatofinandrahana is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Ambatofinandrahana is certainly longer, as only the direct route (as the crow flies) between Antananarivo and Ambatofinandrahana has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles