The calculated distance (air line) between Candelaria de La Frontera and Metapán is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Metapán is certainly longer, as only the direct route (as the crow flies) between Candelaria de La Frontera and Metapán has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles