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