The calculated distance (air line) between Bhātpāra Abhaynagar and Khulna is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Khulna is certainly longer, as only the direct route (as the crow flies) between Bhātpāra Abhaynagar and Khulna has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles