The calculated distance (air line) between Chervonohryhorivka and Horlivka is approximately 170 miles respectively 274 kilometers.
By car or train, the actual journey to Horlivka is certainly longer, as only the direct route (as the crow flies) between Chervonohryhorivka and Horlivka has been calculated here.
Air line (approximately)
274 kilometers
148 nautical miles