The calculated distance (air line) between Tha Mai and Mueang Nonthaburi is approximately 132 miles respectively 212 kilometers.
By car or train, the actual journey to Mueang Nonthaburi is certainly longer, as only the direct route (as the crow flies) between Tha Mai and Mueang Nonthaburi has been calculated here.
Air line (approximately)
212 kilometers
114 nautical miles