• Distances shorter than 10⁶ m
• 1,000 km is equal to:
  • 621 miles.
  • Side of square with area 1,000,000 km²
• 1,003 km -- Diameter of the asteroid 1 Ceres
• 1,280 km -- Diameter of the Trans-Neptunian object Quaoar
• 1,572 km -- Length of Sweden from north to south
• 1,600 km -- Length of the Blue Nile
• 1,619 km -- Length of land boundary between Norway and Sweden
• 2,000 km -- Distance from Beijing to Hong Kong as the crow flies
• 2,205 km -- Length of Sweden's total land boundaries
• 2,320 km -- Diameter of Pluto
• 2,451 km -- Length of the Alaska Highway
• 2,515 km -- Length of Norway's total land bounaries
• 2,700 km -- Diameter of Triton (moon of Neptune)
• 2,800 km -- Narrowest width of Atlantic Ocean (Brazil-West Africa)
• 2,850 km -- length of the Danube river
• 3,126 km -- Diameter of Europa (moon of Jupiter)
• 3,218 km -- Length of Sweden's coastline
• 3,476 km -- Diameter of Earth's Moon
• 3,632 km -- Diameter of Io (moon of Jupiter)
• 3,690 km -- Length of the Volga river, longest in Europe
• 3,700 km -- Length of the White Nile
• 4,800 km -- Widest width of Atlantic Ocean (U.S.-Northern Africa)
• 4,800 km -- Diameter of Callisto (moon of Jupiter)
• 4,879 km -- Diameter of Mercury
• 5,007 km -- Estimated length of Interstate 90 (Seattle, Washington to Boston, Massachusetts)
• 5,100 km -- Distance from Dublin to New York as the crow flies
• 5,150 km -- Diameter of Titan (moon of Saturn)
• 5,262 km -- Diameter of Ganymede (moon of Jupiter)
• 6,366 km -- Earth radius
• 6,400 km -- length of the Great Wall of China
• 6,800 km -- Diameter of Mars
• 8,200 km -- Distance from Dublin to San Francisco as the crow flies
• 9,289 km -- Length of the Trans-Siberian railway
• Distances longer than 10⁷ m

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