The calculated distance (air line) between San Jeronimito and Acapulco de Juárez is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Acapulco de Juárez is certainly longer, as only the direct route (as the crow flies) between San Jeronimito and Acapulco de Juárez has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles