The calculated distance (air line) between La Agustina and San Juan de la Maguana is approximately 87 miles respectively 141 kilometers.
By car or train, the actual journey to San Juan de la Maguana is certainly longer, as only the direct route (as the crow flies) between La Agustina and San Juan de la Maguana has been calculated here.
Air line (approximately)
141 kilometers
76 nautical miles