The calculated distance (air line) between Chok Chai and Phra Pradaeng is approximately 132 miles respectively 212 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Chok Chai and Phra Pradaeng has been calculated here.
Air line (approximately)
212 kilometers
115 nautical miles