The calculated distance (air line) between Nang Rong and Mueang Nonthaburi is approximately 162 miles respectively 260 kilometers.
By car or train, the actual journey to Mueang Nonthaburi is certainly longer, as only the direct route (as the crow flies) between Nang Rong and Mueang Nonthaburi has been calculated here.
Air line (approximately)
260 kilometers
140 nautical miles