The calculated distance (air line) between Chon Buri and Khlong Luang is approximately 54 miles respectively 86 kilometers.
By car or train, the actual journey to Khlong Luang is certainly longer, as only the direct route (as the crow flies) between Chon Buri and Khlong Luang has been calculated here.
Air line (approximately)
86 kilometers
47 nautical miles