The calculated distance (air line) between Chon Buri and Phra Pradaeng is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Phra Pradaeng is certainly longer, as only the direct route (as the crow flies) between Chon Buri and Phra Pradaeng has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles