The calculated distance (air line) between Santa María Chiquimula and Quetzaltenango is approximately 18 miles respectively 30 kilometers.
By car or train, the actual journey to Quetzaltenango is certainly longer, as only the direct route (as the crow flies) between Santa María Chiquimula and Quetzaltenango has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles