The calculated distance (air line) between Ivano-Frankivsk and Kolomyia is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Kolomyia is certainly longer, as only the direct route (as the crow flies) between Ivano-Frankivsk and Kolomyia has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles