The calculated distance (air line) between Damnoen Saduak and Phasi Charoen is approximately 35 miles respectively 57 kilometers.
By car or train, the actual journey to Phasi Charoen is certainly longer, as only the direct route (as the crow flies) between Damnoen Saduak and Phasi Charoen has been calculated here.
Air line (approximately)
57 kilometers
30 nautical miles