The calculated distance (air line) between Sam Roi Yot and Phasi Charoen is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Phasi Charoen is certainly longer, as only the direct route (as the crow flies) between Sam Roi Yot and Phasi Charoen has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles