The calculated distance (air line) between Mueang Nonthaburi and Pattaya is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to Pattaya is certainly longer, as only the direct route (as the crow flies) between Mueang Nonthaburi and Pattaya has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles