The calculated distance (air line) between Calderara di Reno and Quarto Oggiaro is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Quarto Oggiaro is certainly longer, as only the direct route (as the crow flies) between Calderara di Reno and Quarto Oggiaro has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles