The distance between Kauai and Oahu is 108 miles. The flight distance between the two locations is approximately 35 minutes.
It is 120 miles (Approx.). Note that this is a straight distance between the two places. The actual distance may vary according to the road/sea route chosen.
The distance between Boston and Philadelphia is 309 miles.
The air distance from Miami, Florida, to Honolulu, Oahu, is 4,863 miles. That equals 7,826 kilometers or 4,226 nautical miles.
26 miles (http://www.hawaiiswim.org/hawaiianChannel/kaiwiChannel.html)
The distance between Washington D.C. and Philadelphia is 138 miles.
The distance between airports is 2,388 air miles.
The air distance from Chicago, Illinois, to Waipahu, Oahu, Hawaii, is 4,260 miles. That equals 6,855 kilometers or 3,702 nautical miles.
The distance from Philadelphia to the base of Mount Everest is 7,599 miles.
The total flight distance from Japan to Philadelphia is 6,796 miles, or 10,937 kilometres.
The flight distance from Memphis, Tennessee to Philadelphia, Pennsylvania is 880 miles.
The driving distance between Philadelphia and Halifax, Nova Scotia is about 887 road miles.