The calculated distance (air line) between Mérida and Los Puertos de Altagracia is approximately 149 miles respectively 240 kilometers.
By car or train, the actual journey to Los Puertos de Altagracia is certainly longer, as only the direct route (as the crow flies) between Mérida and Los Puertos de Altagracia has been calculated here.
Air line (approximately)
240 kilometers
129 nautical miles