The calculated distance (air line) between Si Racha and Ban Lam Luk Ka is approximately 56 miles respectively 91 kilometers.
By car or train, the actual journey to Ban Lam Luk Ka is certainly longer, as only the direct route (as the crow flies) between Si Racha and Ban Lam Luk Ka has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles