The calculated distance (air line) between Wichian Buri and Khlong Luang is approximately 114 miles respectively 184 kilometers.
By car or train, the actual journey to Khlong Luang is certainly longer, as only the direct route (as the crow flies) between Wichian Buri and Khlong Luang has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles