The calculated distance (air line) between Māchhīwāra and Garhshankar is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Garhshankar is certainly longer, as only the direct route (as the crow flies) between Māchhīwāra and Garhshankar has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles