The calculated distance (air line) between Zhovkva and Staryi Dobrotvir is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Staryi Dobrotvir is certainly longer, as only the direct route (as the crow flies) between Zhovkva and Staryi Dobrotvir has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles