The calculated distance (air line) between Munkkivuori and Nurmijärvi is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Nurmijärvi is certainly longer, as only the direct route (as the crow flies) between Munkkivuori and Nurmijärvi has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles