The calculated distance (air line) between Nong Phai and Phra Pradaeng is approximately 165 miles respectively 265 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Nong Phai and Phra Pradaeng has been calculated here.
Air line (approximately)
265 kilometers
143 nautical miles