I took the coordinates you have provided (42°10'60.00"N and 37°37'0.00"E) for the crash site, and found the S-200 positions in Google Earth (using Sean O'Connor's amazing SAM site overview from http://geimint.blogspot.com) at coordinates around N45°9.0' E035° 44.0', which is a location of Ukrainian SAM firing range. Measuring the distance between these two points gives us whopping 362 kilometers. I wonder if this is a longest-range SAM shot ever?
Its around 300km for me, pretty long, but realistic shot.
Ah... I think you mis-placed the S-200 battery, it was located near Feodosiya at Ukraine, not near Novorossiysk in Russia I think it is located here:
