The calculated distance (air line) between Chalchihuapan and Acapulco de Juárez is approximately 179 miles respectively 289 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 Chalchihuapan and Acapulco de Juárez has been calculated here.
Air line (approximately)
289 kilometers
156 nautical miles