How far is it between Saturn and Uranus in kilometres?
The distance between Saturn and Uranus varies according to their relative positions in their orbits in addition to the eccentricities of their orbits.
The distance between Saturn and the Sun varies between about
The distance between Uranus and the Sun varies between about
Currently Saturn and Uranus are pretty much on opposite sides of the Sun, so the distance between them is roughly the sum of their distances to the Sun.