The calculated distance (air line) between Doembang Nangbuat and Pattaya is approximately 141 miles respectively 228 kilometers.
By car or train, the actual journey to Pattaya is certainly longer, as only the direct route (as the crow flies) between Doembang Nangbuat and Pattaya has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles