The calculated distance (air line) between Pak Kret and Phra Nakhon Si Ayutthaya is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Phra Nakhon Si Ayutthaya is certainly longer, as only the direct route (as the crow flies) between Pak Kret and Phra Nakhon Si Ayutthaya has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles