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TNH to DCA: distance & flight time
Tonghua (Tonghua Sanyuanpu Airport) → Washington (Ronald Reagan Washington National Airport)
6,654 mi
10,708 km · 5,782 nm
13h 31m
estimated nonstop flight time
-12h
time difference · heading north
See live TNH→DCA fares Phone-only fares on this route — call free
Flight time details
6,654 miles nonstop takes roughly 13h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- TNH — Tonghua Sanyuanpu Airport · Tonghua, China
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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 TNH
- NBS · Changbaishan Airport98 mi away
- CGQ · Longjia Airport120 mi away
- SHE · Taoxian Airport122 mi away
Near DCA
Frequently asked questions
How far is TNH from DCA?
The flight distance from Tonghua (TNH) to Washington (DCA) is 6,654 miles (10,708 km, 5,782 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNH to DCA?
A nonstop flight takes about 13h 31m 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 TNH to DCA?
Nonstop service on TNH–DCA 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 13h 31m nonstop estimate.
What is the time difference between Tonghua and Washington?
Washington is 12 hours behind Tonghua.
What is the cheapest way to fly from TNH to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNH–DCA that never appear on search engines, with no booking fees.
Why are some TNH to DCA fares phone-only?
Consolidator contracts let us sell certain TNH–DCA 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.