The calculated distance (air line) between Uthai Thani and Khlong Luang is approximately 100 miles respectively 161 kilometers.
By car or train, the actual journey to Khlong Luang is certainly longer, as only the direct route (as the crow flies) between Uthai Thani and Khlong Luang has been calculated here.
Air line (approximately)
161 kilometers
87 nautical miles