The calculated distance (air line) between Nong Kung Si and Chum Phae is approximately 80 miles respectively 128 kilometers.
By car or train, the actual journey to Chum Phae is certainly longer, as only the direct route (as the crow flies) between Nong Kung Si and Chum Phae has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles