The calculated distance (air line) between Santo Tomás La Unión and Quetzaltenango is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to Quetzaltenango is certainly longer, as only the direct route (as the crow flies) between Santo Tomás La Unión and Quetzaltenango has been calculated here.
Air line (approximately)
25 kilometers
14 nautical miles