The calculated distance (air line) between Phayuha Khiri and Pak Kret is approximately 109 miles respectively 176 kilometers.
By car or train, the actual journey to Pak Kret is certainly longer, as only the direct route (as the crow flies) between Phayuha Khiri and Pak Kret has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles