I always input the state distribution the same as federal. This works for Ohio as Ohio tax begins with federal agi. My guess is that it may not matter what the state distribution is or, at the least, make it equal to the tax withheld. It had to be at least that much, correct? Or you could have the client contact the originator of the 1099R and ask why it was not included on the form and what it should be. Perhaps in your state it is critical and someone else will chime in.