The calculated distance (air line) between Candelaria de La Frontera and Santa Tecla is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Santa Tecla is certainly longer, as only the direct route (as the crow flies) between Candelaria de La Frontera and Santa Tecla has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles