The calculated distance (air line) between Prachuap Khiri Khan and Phra Pradaeng is approximately 137 miles respectively 220 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Prachuap Khiri Khan and Phra Pradaeng has been calculated here.
Air line (approximately)
220 kilometers
119 nautical miles