The calculated distance (air line) between Prakhon Chai and Nakhon Ratchasima is approximately 73 miles respectively 117 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Prakhon Chai and Nakhon Ratchasima has been calculated here.
Air line (approximately)
117 kilometers
63 nautical miles