To help compare different Orders Of Magnitude this page lists Length s starting at 106 M (1 Mm or 1,000 Km ).
1 megametre is equal to:
- 2,451 km — Length of the Alaska Highway
- 3,069 km — Length of Interstate 95 (from Houlton, Maine to Miami, Florida )
- 3,846 km — Length of U.S. Route 1 (from Fort Kent, Maine to Key West, Florida )
- 5,007 km — Estimated length of Interstate 90 (Seattle, Washington to Boston, Massachusetts)
- 6,400 km — Length of the Great Wall Of China
- 7,821 km — Length of the Trans-Canada Highway , the world's longest national highway (from Victoria, British Columbia to St. John's, Newfoundland )
- 9,289 km — Length of the Trans-Siberian Railway
- 2,000 km — Distance from Beijing to Hong Kong As The Crow Flies
- 2,800 km — Narrowest width of Atlantic Ocean (Brazil-West Africa)
- 2,850 km — Length of the Danube river
- 2,205 km — Length of Sweden 's total land boundaries
- 2,515 km — Length of Norway 's total land boundaries
- 3,690 km — Length of the Volga river, longest in Europe
- 4,350 km — Length of the Huang He
- 4,715 km — Length of the Nile
- 4,800 km — Widest width of Atlantic Ocean (U.S.-Northern Africa)
- 5,650 km — Coastline of New Zealand
- 5,100 km — Distance from Dublin to New York as the crow flies
- 6,270 km — Length of the Mississippi - Missouri River system
- 6,380 km — Length of the Yangtze River
- 6,762 km — Length of the Amazon system, longest on Earth
- 8,200 km — Distance from Dublin to San Francisco as the crow flies
- 1,000 km — Estimated shortest axis of Trans-Neptunian Object
- 1,186 km — Diameter of Charon , the largest moon of Pluto
- 1,280 km — Diameter of the trans-Neptunian object 50000 Quaoar
- 1,436 km — Diameter of Iapetus , one of Saturn 's major moons
- 1,578 km — Diameter of Titania , the largest of Uranus ' moons
- 1,960 km — Estimated longest axis of
- 2,320 km — Diameter of Pluto
- 2,400 km — Diameter of the dwarf planet Eris , the largest Trans-Neptunian Object found to date
- 2,707 km — Diameter of Triton , largest moon of Neptune
- 3,122 km — Diameter of Europa , the smallest Galilean Satellite of Jupiter
- 3,475 km — Diameter of Earth 's Moon
- 3,643 km — Diameter of Io , a moon of Jupiter
- 4,821 km — Diameter of Callisto , a moon of Jupiter
- 4,879 km — Diameter of Mercury
- 5,150 km — Diameter of Titan , the largest moon of Saturn
- 5,262 km — Diameter of Jupiter's moon Ganymede , the largest moon in the Solar System
- 6,366 km — Radius Of Earth
- 6,792 km — Diameter of Mars
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