The calculated distance (air line) between Chom Thong and Samut Sakhon is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Samut Sakhon is certainly longer, as only the direct route (as the crow flies) between Chom Thong and Samut Sakhon has been calculated here.
Air line (approximately)
27 kilometers
15 nautical miles