The calculated distance (air line) between San Agustín Acasaguastlán and Chiquimula is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Chiquimula is certainly longer, as only the direct route (as the crow flies) between San Agustín Acasaguastlán and Chiquimula has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles