The calculated distance (air line) between Mikhaylovka and Spassk-Dal’niy is approximately 61 miles respectively 99 kilometers.
By car or train, the actual journey to Spassk-Dal’niy is certainly longer, as only the direct route (as the crow flies) between Mikhaylovka and Spassk-Dal’niy has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles