The calculated distance (air line) between Kut Chap and Nakhon Ratchasima is approximately 172 miles respectively 277 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Kut Chap and Nakhon Ratchasima has been calculated here.
Air line (approximately)
277 kilometers
150 nautical miles