The calculated distance (air line) between San Pietro in Casale and Zola Predosa is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Zola Predosa is certainly longer, as only the direct route (as the crow flies) between San Pietro in Casale and Zola Predosa has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles