The calculated distance (air line) between Amphoe Sikhiu and Khlong Luang is approximately 92 miles respectively 147 kilometers.
By car or train, the actual journey to Khlong Luang is certainly longer, as only the direct route (as the crow flies) between Amphoe Sikhiu and Khlong Luang has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles