The calculated distance (air line) between San Salvador de Jujuy and Libertador General San Martín is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Libertador General San Martín is certainly longer, as only the direct route (as the crow flies) between San Salvador de Jujuy and Libertador General San Martín has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles