The calculated distance (air line) between Sannazzaro de' Burgondi and Genoa is approximately 48 miles respectively 78 kilometers.
By car or train, the actual journey to Genoa is certainly longer, as only the direct route (as the crow flies) between Sannazzaro de' Burgondi and Genoa has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles