The calculated distance (air line) between San Martín Jilotepeque and Chinautla is approximately 20 miles respectively 33 kilometers.
By car or train, the actual journey to Chinautla is certainly longer, as only the direct route (as the crow flies) between San Martín Jilotepeque and Chinautla has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles