The calculated distance (air line) between Khao Wong and Ubon Ratchathani is approximately 113 miles respectively 182 kilometers.
By car or train, the actual journey to Ubon Ratchathani is certainly longer, as only the direct route (as the crow flies) between Khao Wong and Ubon Ratchathani has been calculated here.
Air line (approximately)
182 kilometers
98 nautical miles