The calculated distance (air line) between Mueang Nonthaburi and Tha Maka is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Tha Maka is certainly longer, as only the direct route (as the crow flies) between Mueang Nonthaburi and Tha Maka has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles