The calculated distance (air line) between Chachoengsao and Nakhon Ratchasima is approximately 112 miles respectively 181 kilometers.
By car or train, the actual journey to Nakhon Ratchasima is certainly longer, as only the direct route (as the crow flies) between Chachoengsao and Nakhon Ratchasima has been calculated here.
Air line (approximately)
181 kilometers
98 nautical miles