The calculated distance (air line) between Genoa and Santa Margherita Ligure is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Santa Margherita Ligure is certainly longer, as only the direct route (as the crow flies) between Genoa and Santa Margherita Ligure has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles