The calculated distance (air line) between Mueang Nonthaburi and Saraburi is approximately 54 miles respectively 86 kilometers.
By car or train, the actual journey to Saraburi is certainly longer, as only the direct route (as the crow flies) between Mueang Nonthaburi and Saraburi has been calculated here.
Air line (approximately)
86 kilometers
47 nautical miles