The calculated distance (air line) between Pran Buri and Phasi Charoen is approximately 99 miles respectively 159 kilometers.
By car or train, the actual journey to Phasi Charoen is certainly longer, as only the direct route (as the crow flies) between Pran Buri and Phasi Charoen has been calculated here.
Air line (approximately)
159 kilometers
86 nautical miles