The calculated distance (air line) between Sant'Agata Bolognese and Vignola is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Vignola is certainly longer, as only the direct route (as the crow flies) between Sant'Agata Bolognese and Vignola has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles