The calculated distance (air line) between Chom Bueng and Samut Prakan is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Samut Prakan is certainly longer, as only the direct route (as the crow flies) between Chom Bueng and Samut Prakan has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles