The calculated distance (air line) between Tha Muang and Phasi Charoen is approximately 56 miles respectively 90 kilometers.
By car or train, the actual journey to Phasi Charoen is certainly longer, as only the direct route (as the crow flies) between Tha Muang and Phasi Charoen has been calculated here.
Air line (approximately)
90 kilometers
49 nautical miles