Flight distance from Singapore, Singapore to Washington DC, USA:
9692.5 Miles (15598.5 Kilometers / 8416.9 Nautical Miles).
Flight duration time from Singapore to Washington DC:
Approximate flight duration time (for a non-stop flight) from Singapore, Singapore to Washington DC, District of Columbia is 20 hrs, 7 mins. This is the In-The-Air flight time. You should add the taxi time before take-off and taxi time after landing for the total flight duration time. You should also consider airport wait times and possible delays due to bad weather, etc. You can find out what time you arrive at your destination (Washington DC) by checking the time difference between Singapore and Washington DC.