Astronomical Distance
Distance to celestial bodies and travel times.
Mars (closest)
54,600
million km
Travel time
- At light speed: 3.0 minutes
- By plane (900 km/h): 6.9 years
- By car (60 mph): 64.6 years
Mind-bending comparisons
Equivalent to 1.36e+3 trips around Earth's equator.
Distances are approximate. Mars varies between 54.6 and 401 million km depending on orbital position. Voyager 1 is updated to Jan 2026 - it's still moving away at about 17 km/sec.
About
Pick a body (Moon, Sun, Mars, Voyager 1, Alpha Centauri, etc.). The tool shows the distance in km plus how long it would take by light, plane, or car.
How to use
- Pick a destination.
FAQ
Why does Mars have two distances?+
Mars and Earth orbit at different speeds. They get as close as 54.6 million km and as far as 401 million km depending on their relative positions. Closest approach is roughly every 26 months.