The calculated distance (air line) between Solnechnyy and Khabarovsk is approximately 170 miles respectively 273 kilometers.
By car or train, the actual journey to Khabarovsk is certainly longer, as only the direct route (as the crow flies) between Solnechnyy and Khabarovsk has been calculated here.
Air line (approximately)
273 kilometers
147 nautical miles