The calculated distance (air line) between San Gaspar Tlahuelilpan and Puebla is approximately 89 miles respectively 143 kilometers.
By car or train, the actual journey to Puebla is certainly longer, as only the direct route (as the crow flies) between San Gaspar Tlahuelilpan and Puebla has been calculated here.
Air line (approximately)
143 kilometers
77 nautical miles