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4 Earth years, To HD 40307 g at 42 light years, it would take 179 Earth years, It takes 199,674 Earth years to reach Gris 163c, which is 49 light-years away, It takes 452,325 Earth years to reach K2-18b in Leo, which is 111 light-years away, To reach Kepler 438b, which is 470 light years away, it will take 1915250 Earth years, To reach Kepler 186f, which is 500 light-years away, it will take 2,037,500 Earth years, It takes 2,445,000 Earth years to reach Kepler 22b, which is 600 light-years
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