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Hellas Planitia (Mars) Llanfair pwllgwyn gyllgogery chwyrndrobwllllanty siliogogo goch (Wales)

Hellas Planitia (Mars) (1,539,372 mi²) is 234528 times as big as Llanfair pwllgwyn gyllgogery chwyrndrobwllllanty siliogogo goch (Wales) (6 mi²).