The calculated distance (air line) between Guantánamo and Jesús Menéndez is approximately 108 miles respectively 174 kilometers.
By car or train, the actual journey to Jesús Menéndez is certainly longer, as only the direct route (as the crow flies) between Guantánamo and Jesús Menéndez has been calculated here.
Air line (approximately)
174 kilometers
94 nautical miles