The calculated distance (air line) between Phon and Nakhon Ratchasima is approximately 67 miles respectively 108 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Phon and Nakhon Ratchasima has been calculated here.
Air line (approximately)
108 kilometers
58 nautical miles