Cars and buses can access Shikoku from Honshu via 1) the Akashi Kaikyo and Onaruto Bridges between Kobe and Naruto, 2) the Seto Ohashi Bridge between Okayama and Kagawa and 3) the Shimanami Kaido between Imabari and Onomichi, Hiroshima Prefecture.

Shikoku is also well connected by air with Japan's major airports. Furthermore, there are several ferry routes, connecting Shikoku with Hoshu and Kyushu.