The calculated distance (air line) between Chai Nat and Nakhon Ratchasima is approximately 133 miles respectively 214 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Chai Nat and Nakhon Ratchasima has been calculated here.
Air line (approximately)
214 kilometers
115 nautical miles