The calculated distance (air line) between Phan Thong and Nong Khaem is approximately 53 miles respectively 85 kilometers.
By car or train, the actual journey to Nong Khaem is certainly longer, as only the direct route (as the crow flies) between Phan Thong and Nong Khaem has been calculated here.
Air line (approximately)
85 kilometers
46 nautical miles