The calculated distance (air line) between Mellunkylä and Jyväskylä is approximately 140 miles respectively 226 kilometers.
By car or train, the actual journey to Jyväskylä is certainly longer, as only the direct route (as the crow flies) between Mellunkylä and Jyväskylä has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles