The calculated distance (air line) between Ivano-Frankivsk and Bolekhiv is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Bolekhiv is certainly longer, as only the direct route (as the crow flies) between Ivano-Frankivsk and Bolekhiv has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles