* Orbit around Earth: This is the most common destination for cosmonauts, where they conduct scientific research, maintain the International Space Station, and perform spacewalks.

* The Moon: While not a common destination yet, cosmonauts have travelled to the Moon as part of the Soviet Luna program and are expected to return in future missions.

* Other celestial bodies: Theoretically, cosmonauts could travel to other planets, asteroids, or even beyond our solar system, although these missions are still in the realm of future possibilities.

It's important to note that the term "cosmonaut" is primarily used for astronauts from Russia and other former Soviet republics. While their destinations are similar, the language used to describe them is often specific to their nation.