The calculated distance (air line) between Santiago Atitlán and Totonicapán is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Totonicapán is certainly longer, as only the direct route (as the crow flies) between Santiago Atitlán and Totonicapán has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles