Please take an airport limousine bus bound for Hiroshima Station. About 50 minutes by bus.
It takes 80 minutes from Air port to Miyajimaguchi by car.
Only 3 min walk to Itsukushima shrine. (300m)
5 min drive / 15 min walk from ferry port to IWASO. (1000m)
10 min walk to cable car station. (600m)