Distance from Hawaii to South Korea. The total distance from Hawaii to South Korea is 4,553 miles. This is equivalent to 7 328 kilometers or 3,957 nautical miles. Your trip begins in the state of Hawaii. It ends in South Korea. Your flight direction from Hawaii to South Korea is Northwest (-58 degrees from North). The distance calculator helps you figure out how far it is to fly from Hawaii to South Korea. It does this by computing the straight line flying distance (as the crow flies).