Obviously, walking there would take very long.
The mean distance from Saturn to Earth is about 9,5 AU, or 9,5 times the Earth's distance from the Sun, or about 1,4 billion kilometers.
Using a present-day space shuttle with a cruise speed of about 20 000 kph it would take approximately 8 years.
Unmanned probes can get there in about half the time.
At lightspeed, the Earth-Uranus journey takes about 1h20min.