The calculated distance (air line) between Khā̃dbāri̇̄ and Siraha is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Siraha is certainly longer, as only the direct route (as the crow flies) between Khā̃dbāri̇̄ and Siraha has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles