The calculated distance (air line) between Chon Buri and Phra Phutthabat is approximately 95 miles respectively 153 kilometers.
By car or train, the actual journey to Phra Phutthabat is certainly longer, as only the direct route (as the crow flies) between Chon Buri and Phra Phutthabat has been calculated here.
Air line (approximately)
153 kilometers
83 nautical miles