The distances between stars, solar systems, and galaxies in space are vast, and travel between them is currently beyond our technological capabilities. However, I can provide you with some approximate distances to give you an idea of the immense scales involved.
Stars: The closest star to our solar system is Proxima Centauri, located about 4.24 light-years away. A light-year is the distance light travels in one year, approximately 9.46 trillion kilometers (5.88 trillion miles). So, if we could travel at the speed of light, it would take us about 4.24 years to reach Proxima Centauri.
Solar Systems: Solar systems consist of a star and its orbiting planets. The distances between solar systems vary significantly. The nearest known star system to ours, Alpha Centauri, is about 4.37 light-years away. Other solar systems can be thousands or even tens of thousands of light-years apart.
Galaxies: Galaxies are enormous systems of stars, gas, and dust held together by gravity. The Milky Way, our home galaxy, is approximately 100,000 light-years in diameter. The nearest large galaxy to us is the Andromeda Galaxy, located about 2.537 million light-years away.
It's important to note that the distances mentioned above are approximate and subject to change as our measurements and understanding of the universe improve. Additionally, the speed of light is currently the fundamental speed limit in the universe according to our current scientific understanding, which poses significant challenges for interstellar travel.
Efforts are being made to explore the possibilities of interstellar travel, such as through the concept of "Generation Ships" or theoretical concepts like warp drives, but these are still in the realm of scientific speculation and far from practical realization.