The calculated distance (air line) between Montelíbano and San Benito Abad is approximately 71 miles respectively 114 kilometers.
By car or train, the actual journey to San Benito Abad is certainly longer, as only the direct route (as the crow flies) between Montelíbano and San Benito Abad has been calculated here.
Air line (approximately)
114 kilometers
62 nautical miles