The calculated distance (air line) between Tha Ruea and Phra Pradaeng is approximately 64 miles respectively 103 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Tha Ruea and Phra Pradaeng has been calculated here.
Air line (approximately)
103 kilometers
56 nautical miles