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IAD to SYM: distance & flight time
Washington (Washington Dulles International Airport) → Simao (Pu'er Simao Airport)
8,170 mi
13,148 km · 7,099 nm
16h 29m
estimated nonstop flight time
+12h
time difference · heading north
See live IAD→SYM fares Phone-only fares on this route — call free
Flight time details
8,170 miles nonstop takes roughly 16h 29m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- SYM — Pu'er Simao Airport · Simao, China
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAD
Near SYM
- JHG · Xishuangbanna Gasa Airport58 mi away
- JMJ · Lancang Jingmai Airport79 mi away
- LNJ · Lintsang Airfield88 mi away
- PCQ · Boun Neau Airport99 mi away
Frequently asked questions
How far is IAD from SYM?
The flight distance from Washington (IAD) to Simao (SYM) is 8,170 miles (13,148 km, 7,099 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SYM?
A nonstop flight takes about 16h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAD to SYM?
Nonstop service on IAD–SYM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 29m nonstop estimate.
What is the time difference between Washington and Simao?
Simao is 12 hours ahead of Washington.
What is the cheapest way to fly from IAD to SYM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SYM that never appear on search engines, with no booking fees.
Why are some IAD to SYM fares phone-only?
Consolidator contracts let us sell certain IAD–SYM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.