Part of getting to the Eldin Volcano dungeon requires the use of Faron's water basin. Fi decides she'll charm poor Scrapper into doing the heavy lifting and sends for him via her telepathy. He travels from Gondo's shop on Skyloft to Faron's sacred bathing hole or whatever in about 6 seconds.
(404734/86)222.74=1048261.06m
Of course, Skyloft is above the clouds, so the distance would be greater, but unless it's as high as it is far, it wouldn't change too much. Plus, I'm kinda lazy to get an exact altitude worries
1048261.06/6=174710.2m/s
or about mach 514.
Talk about good service