The calculated distance (air line) between Mueang Nonthaburi and Kanchanaburi is approximately 66 miles respectively 106 kilometers.
By car or train, the actual journey to Kanchanaburi is certainly longer, as only the direct route (as the crow flies) between Mueang Nonthaburi and Kanchanaburi has been calculated here.
Air line (approximately)
106 kilometers
57 nautical miles