The calculated distance (air line) between Sing Buri and Mueang Nonthaburi is approximately 71 miles respectively 115 kilometers.
By car or train, the actual journey to Mueang Nonthaburi is certainly longer, as only the direct route (as the crow flies) between Sing Buri and Mueang Nonthaburi has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles