The calculated distance (air line) between Chernihiv and Velyka Dymerka is approximately 65 miles respectively 105 kilometers.
By car or train, the actual journey to Velyka Dymerka is certainly longer, as only the direct route (as the crow flies) between Chernihiv and Velyka Dymerka has been calculated here.
Air line (approximately)
105 kilometers
57 nautical miles