The calculated distance (air line) between Mohyliv-Podilskyy and Kyiv is approximately 185 miles respectively 298 kilometers.
By car or train, the actual journey to Kyiv is certainly longer, as only the direct route (as the crow flies) between Mohyliv-Podilskyy and Kyiv has been calculated here.
Air line (approximately)
298 kilometers
161 nautical miles