The length of Seikan tunnel (the 2nd longest tunnel in the world) is ...
The length of 1 Seikan tunnel (the 2nd longest tunnel in the world) is 53.85 kilometers. That is ...
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2 times bigger than distance from Tokyo to Kanagawa (1.98 to be exact).
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5 times bigger than depth of Mariana trench (4.94 to be exact).
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6 times bigger than Mt. Everest (6.09 to be exact).
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55 times bigger than Angel fall (the highest waterfall in the world) .
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65 times bigger than Burj Khalifa (the highest building in the world) .
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95 times bigger than lowest frequency wavelength of AM radio .
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97 times bigger than CN tower .
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979 times bigger than leaning tower of Pisa .
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2,265 times bigger than long side of tennis court .
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71,800 times bigger than length of cat .
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179,624 times bigger than distance that light travels in 1 nanosecond .
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7,066,929 times bigger than diameter of bullet .
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53,850,000 times bigger than length of lice .
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897,500,000 times bigger than sperm .
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2,692,500,000 times bigger than diameter of wool fiber .
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53,850,000,000 times bigger than diameter of the largest virus .
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1,538,571,428,571 times bigger than diameter of bacterial flagella .
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2 times smaller than distance from Osaka to Tokushima (2.08 to be exact).
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3 times smaller than distance from Osaka to Fukui (3.08 to be exact).
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5 times smaller than distance from Tokyo to Gifu (5.04 to be exact).
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6 times smaller than distance from osaka to Nagano (6.03 to be exact).
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7 times smaller than distance from Osaka to Gunma (6.92 to be exact).
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8 times smaller than distance from Osaka to Chiba (8.01 to be exact).
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9 times smaller than distance from Osaka to Fukuoka (9.02 to be exact).
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48 times smaller than distance from Sao Paulo to Santiago .
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84 times smaller than distance from Cape Town to Nairobi .
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556 times smaller than altitude of GPS satellite .
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9,710 times smaller than distance to the moon .
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45,409 times smaller than diameter of the Sun .
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847,209 times smaller than distance that light travels in 1 minute .
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5,014,776 times smaller than distance to the Sun .
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137,518,151 times smaller than diameter of Pluto .
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4,918,629,137 times smaller than distance that light travels in a day .
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653,245,863,943 times smaller than distance that light travels in a year .
