The calculated distance (air line) between Madhyapur Thimi and Wāliṅ is approximately 102 miles respectively 164 kilometers.
By car or train, the actual journey to Wāliṅ is certainly longer, as only the direct route (as the crow flies) between Madhyapur Thimi and Wāliṅ has been calculated here.
Air line (approximately)
164 kilometers
88 nautical miles