The calculated distance (air line) between L'Isle-d'Abeau and Clermont-Ferrand is approximately 104 miles respectively 167 kilometers.
By car or train, the actual journey to Clermont-Ferrand is certainly longer, as only the direct route (as the crow flies) between L'Isle-d'Abeau and Clermont-Ferrand has been calculated here.
Air line (approximately)
167 kilometers
90 nautical miles