The calculated distance (air line) between Muang Hôngsa and Ban Siphôm is approximately 38 miles respectively 61 kilometers.
By car or train, the actual journey to Ban Siphôm is certainly longer, as only the direct route (as the crow flies) between Muang Hôngsa and Ban Siphôm has been calculated here.
Air line (approximately)
61 kilometers
33 nautical miles