The calculated distance (air line) between Jamjamāl and Oshnavīyeh is approximately 105 miles respectively 169 kilometers.
By car or train, the actual journey to Oshnavīyeh is certainly longer, as only the direct route (as the crow flies) between Jamjamāl and Oshnavīyeh has been calculated here.
Air line (approximately)
169 kilometers
91 nautical miles