The calculated distance (air line) between Dan Khun Thot and Khlong Luang is approximately 109 miles respectively 176 kilometers.
By car or train, the actual journey to Khlong Luang is certainly longer, as only the direct route (as the crow flies) between Dan Khun Thot and Khlong Luang has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles