The calculated distance (air line) between Estavayer-le-Lac and Fribourg is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Fribourg is certainly longer, as only the direct route (as the crow flies) between Estavayer-le-Lac and Fribourg has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles