The calculated distance (air line) between Yarmolyntsi and Starokostyantyniv is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Starokostyantyniv is certainly longer, as only the direct route (as the crow flies) between Yarmolyntsi and Starokostyantyniv has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles