Air distance from Chicago, USA to Juba, South Sudan is 7454.4 Miles (11996.6 Kilometers / 6473.4 Nautical Miles).
Flight duration time from Chicago to Juba is 15 hrs, 28 mins. 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.