The calculated distance (air line) between Sam Roi Yot and Nong Khaem is approximately 104 miles respectively 168 kilometers.
By car or train, the actual journey to Nong Khaem is certainly longer, as only the direct route (as the crow flies) between Sam Roi Yot and Nong Khaem has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles