The calculated distance (air line) between Ban Huai Thalaeng and Pak Kret is approximately 162 miles respectively 260 kilometers.
By car or train, the actual journey to Pak Kret is certainly longer, as only the direct route (as the crow flies) between Ban Huai Thalaeng and Pak Kret has been calculated here.
Air line (approximately)
260 kilometers
141 nautical miles