The calculated distance (air line) between Reynosa and San Nicolás de los Garza is approximately 127 miles respectively 205 kilometers.
By car or train, the actual journey to San Nicolás de los Garza is certainly longer, as only the direct route (as the crow flies) between Reynosa and San Nicolás de los Garza has been calculated here.
Air line (approximately)
205 kilometers
111 nautical miles