The calculated distance (air line) between Lons-le-Saunier and Clermont-Ferrand is approximately 133 miles respectively 214 kilometers.
By car or train, the actual journey to Clermont-Ferrand is certainly longer, as only the direct route (as the crow flies) between Lons-le-Saunier and Clermont-Ferrand has been calculated here.
Air line (approximately)
214 kilometers
116 nautical miles