The calculated distance (air line) between Huai Khot and Phra Pradaeng is approximately 128 miles respectively 207 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Huai Khot and Phra Pradaeng has been calculated here.
Air line (approximately)
207 kilometers
111 nautical miles