The calculated distance (air line) between Miadanandriana and Tsiroanomandidy is approximately 115 miles respectively 185 kilometers.
By car or train, the actual journey to Tsiroanomandidy is certainly longer, as only the direct route (as the crow flies) between Miadanandriana and Tsiroanomandidy has been calculated here.
Air line (approximately)
185 kilometers
100 nautical miles