How long is the island where one school of the Kyūshū Collegiate American Football Association is located?
Kyūshū Collegiate American Football Association: The Kyūshū Collegiate American Football Association (九州学生アメリカンフットボール連盟) is an American college football league made up of colleges and universities primarily on the island of Kyushu, Japan; one school is located on Okinawa Island. Okinawa Island:  The island is approximately 70 miles long and an average 7 miles wide, and has an area of 1,206.98 km2 .
i don't know