Air distance from Libreville, Gabon to Newark, USA is 5859.4 Miles (9429.8 Kilometers / 5088.3 Nautical Miles).
12 hrs, 9 mins is the flight duration between Libreville and Newark. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.