Astronomical
- 1 km - Diameter of 1620 Geographos
- 1 km — Very approximate size of the smallest known moons of Jupiter
- 1.4 km — Diameter of Dactyl, the first confirmed asteroid moon
- 4.8 km - Diameter of 5535 Annefrank, an inner belt asteroid
- 5 km - Diameter of 3753 Cruithne, one of the smallest asteroids
- 8 km — Diameter of Themisto, one of Jupiter's moons
- 8.6 km - Diameter of Callirrhoe, also known as Jupiter XVII
Distances longer than 10 kilometres
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