The calculated distance (air line) between Hari Bdr Tamang House and Kathmandu is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Kathmandu is certainly longer, as only the direct route (as the crow flies) between Hari Bdr Tamang House and Kathmandu has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles