The calculated distance (air line) between Zvenihorodka and Pereiaslav is approximately 72 miles respectively 116 kilometers.
By car or train, the actual journey to Pereiaslav is certainly longer, as only the direct route (as the crow flies) between Zvenihorodka and Pereiaslav has been calculated here.
Air line (approximately)
116 kilometers
62 nautical miles