The calculated distance (air line) between Nong Bua and Nakhon Ratchasima is approximately 118 miles respectively 191 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Nong Bua and Nakhon Ratchasima has been calculated here.
Air line (approximately)
191 kilometers
103 nautical miles