Air distance from Washington DC, USA to Lusaka, Zambia is 7681.7 Miles (12362.5 Kilometers / 6670.8 Nautical Miles).
15 hrs, 57 mins is the flight duration between Washington DC and Lusaka. 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.