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34.1 miles on I-380 S, or 40.5 miles taking the IA-13 S/US-151 S/I-380 S route.
number 151 is mew.
If in the regional pokedex its manaphy, which can be found in a book on route 212 in the mansion.
Alabamenti
It's Gardivoir(I think that's how u spell it) the evolvel of kirla
151 is Manaphy and can be found by looking at the book in Mr. Backlot's room in the Pokemon mansion on route 212.