The calculated distance (air line) between Kankaanpää and Seinäjoki is approximately 70 miles respectively 113 kilometers.
By car or train, the actual journey to Seinäjoki is certainly longer, as only the direct route (as the crow flies) between Kankaanpää and Seinäjoki has been calculated here.
Air line (approximately)
113 kilometers
61 nautical miles