The calculated distance (air line) between Hari Bdr Tamang House and Siddharthanagar is approximately 123 miles respectively 199 kilometers.
By car or train, the actual journey to Siddharthanagar is certainly longer, as only the direct route (as the crow flies) between Hari Bdr Tamang House and Siddharthanagar has been calculated here.
Air line (approximately)
199 kilometers
107 nautical miles