The calculated distance (air line) between Pak Chong and Nakhon Ratchasima is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Pak Chong and Nakhon Ratchasima has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles