The calculated distance (air line) between Chai Badan and Phra Pradaeng is approximately 114 miles respectively 183 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Chai Badan and Phra Pradaeng has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles