The calculated distance (air line) between Nong Kung Si and Nong Bua Lamphu is approximately 69 miles respectively 110 kilometers.
By car or train, the actual journey to Nong Bua Lamphu is certainly longer, as only the direct route (as the crow flies) between Nong Kung Si and Nong Bua Lamphu has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles