The calculated distance (air line) between Decima and Sant'Agata Bolognese is approximately 6 miles respectively 9 kilometers.
By car or train, the actual journey to Sant'Agata Bolognese is certainly longer, as only the direct route (as the crow flies) between Decima and Sant'Agata Bolognese has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles