Both of NASA's Voyager spacecraft are now interstellar. Where to next?

Both of NASA's Voyager spacecraft are now interstellar. Where to next?
Launched in 1977, the twin probes will likely outlive the sun. Find out what star systems they’ll meet as they head deeper into the galaxy.
Source: National Geographic

Launched in 1977, the twin probes will likely outlive the sun. Find out what star systems they’ll meet as they head deeper into the galaxy.
Both of NASA's Voyager spacecraft are now interstellar. Where to next?