The calculated distance (air line) between Doembang Nangbuat and Ratchaburi is approximately 92 miles respectively 147 kilometers.
By car or train, the actual journey to Ratchaburi is certainly longer, as only the direct route (as the crow flies) between Doembang Nangbuat and Ratchaburi has been calculated here.
Air line (approximately)
147 kilometers
80 nautical miles