The calculated distance (air line) between Giv'at Shmuel and Nazareth is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Nazareth is certainly longer, as only the direct route (as the crow flies) between Giv'at Shmuel and Nazareth has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles