The calculated distance (air line) between San Miniato and Reggio nell'Emilia is approximately 71 miles respectively 115 kilometers.
By car or train, the actual journey to Reggio nell'Emilia is certainly longer, as only the direct route (as the crow flies) between San Miniato and Reggio nell'Emilia has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles