The calculated distance (air line) between Prachuap Khiri Khan and Mueang Nonthaburi is approximately 149 miles respectively 240 kilometers.
By car or train, the actual journey to Mueang Nonthaburi is certainly longer, as only the direct route (as the crow flies) between Prachuap Khiri Khan and Mueang Nonthaburi has been calculated here.
Air line (approximately)
240 kilometers
130 nautical miles